VELOCITY Gas Fired Stainless Steel Combi Boiler User Guide

: June 13, 2024
: Velocity

Table of Contents

Gas Fired Stainless Steel Combi Boiler
RESIDENTIAL HEATING
COMMERCIAL HEATING
ADVANCED FEATURES
ACCESSORIES
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

VELOCITY Gas Fired Stainless Steel Combi Boiler - Quality and
Service PRODUCT SELECTION GUIDE
VelocityBoilerWorks.com
Philadelphia, PA

Gas Fired Stainless Steel Combi Boiler

Velocity Boiler Works
is a leader in Hydronic Heating Technologies.
Velocity
delivers Residential and Commercial Oil and Gas-Fired Cast Iron Boilers, Stainless Steel Condensing Boilers, Indirect Water Heaters, and Warm Air Oil Furnaces with the guiding principles of offering quality products with outstanding customer service at competitive pricing.
Product Notes:
The NET AHRI Steam Ratings shown are based on a Piping and Pickup Allowance of 1.333.
The NET AHRI Water Ratings shown are based on a Piping and Pickup Allowance of 1.15.
The Manufacturer should be consulted before selecting a boiler for installations having unusual Piping Pickup requirements, such as Intermittent System Operation, Extensive Piping Systems, etc.
Not all models are suitable for installation with all fuels or altitudes. Refer to Product Specific Literature or Manual for complete details.

RESIDENTIAL HEATING

Phantom Combi II 10:1

COMBI II
Condensing – Direct Vent – Stainless Steel
Gas-Fired – Adaptive Combustion
Hot Water – Water Tube

95% AFUE with 10:1 turndown ratio
Heat Input – 13.6 -120 MBH Input
Domestic Hot Water – Up to 3.7 GPM at 70 degree rise
Low Loss Header Included
Field Convertible to LP – No conversion kit required
Easy access to key components
Fully removable front & side panels
Drop down control center

CLICK HERE FOR MORE INFO

Space Heating Ratings | Dimensions| Domestic Hot Water (DHW) Ratings1| Shipping Weight (lbs)
---|---|---|---
Model| Input2 (MBH)| DOE Heating Capacity (MBH)| AHRI Net Rating3 (MBH)| AFUE %| Depth (in)| Width (in)| Height (in)| Input2 (MBH)| Hot Water Draw Limits GPM
Min| Max| Min| Max| Max| Min4
70°F Rise| 77°F Rise| 90°F Rise
PHTM2136C| 13.6| 120| 112| 97| 95.0| 16.3| 17.8| 29.8| 13.6| 136| 3.7| 3.4| 2.9| 0.5| 112
PHTM2200C| 20| 150| 141| 123| 95.0| 20.4| 17.8| 29.8| 20| 200| 5.2| 4.7| 4.0| 0.5| 135

1 DHW ratings are not AHRI certified.
2 Input and DHW draw limits for elevations up to 2,000 ft. with min vent length. See Table 3-3 in installation manual for derate at max vent length.
3 Net AHRI Water Ratings shown are based on a piping and pickup allowance of 1.15. The manufacturer should be consulted before selecting a boiler for installations having unusual piping and pickup requirements, such as intermittent operation, extensive piping systems, etc.
4 Min DHW flow rate required through boiler to initiate DHW demand. Higher flow rate through fixture may be required due to mixing at tempering valve and/or fixture itself.

VELOCITY Gas Fired Stainless Steel Combi Boiler - FIGURE
10 densing – Direct Vent – Stainless Steel
Gas-Fired – Adaptive Combustion
Hot Water – Water Tube

95% AFUE with 10:1 Turndown
Three Sizes – 120,150,180 MBH Input
2” venting standard
5-year parts warranty
Serviceability
Easy access to key components
Fully removable front & side panels
Drop down control center

CLICK HERE FOR MORE INFO

Space Heating Ratings	Dimensions and Connections	Shipping Weight (lbs)
Model	Input 1 (MBH)	DOE Heating Capacity (MBH)
AFUE %	Depth (in)	Width (in)

Gas NPT
Min| Max
PHTM2120H| 13.6| 120| 112| 97| 95.0| 16.3| 17.8| 29.8| 1| 1/2| 112
PHTM2150H| 20| 150| 141| 123| 95.0| 20.4| 17.8| 29.8| 1| 1/2| 132
PHTM2180H| 20| 180| 169| 147| 95.0| 20.4| 17.8| 29.8| 1| 1/2|

132

Input for elevations up to 2,000 ft. with min vent length. See Table 3-3 in installation manual for vent diameter connection sizes and derate at max vent length. Above models are not for installation above 2,000 ft.
Net AHRI Water Ratings shown are based on a piping and pickup allowance of 1.15. The manufacturer should be consulted before selecting a boiler for installations having unusual piping and pickup requirements, such as intermittent operation, extensive piping systems, etc.

Condensing – Direct Vent – Stainless Steel
Gas-Fired – Hot Water – Water Tube

95% AFUE
10:1 turndown ratio
Two Sizes: 150, 180 MBH
Field convertible to LP gas with optional kit
Up to 4.5 gallons per minute of hot water at 70 degree rise (PHNTM180CB)

CLICK HERE FOR MORE INFO

SPACE HEATING RATINGS| DOMESTIC HOT WATER (DHW) RATINGS 1|
---|---|---
MODEL| INPUT (MBH) MIN-MAX| GROSS OUTPUT, MBH| NET AHRI WATER, MBH| AFUE, %| INPUT (MBH) MIN- MAX| Max Draw GPM 1,2| W (IN)| D (IN)| H (IN)| VENT DIAMETER (IN)| APPROX. SHIPPING WEIGHT (LBS)
70°F Rise| 77°F Rise
PHNTM150CB| 15-150| 142| 123| 95.0| 15-150| 3.9| 3.7| 17| 19| 30| 3| 169
PHNTM180CB5| 18-180| 169| 147| 95.0| 18-180| 4.5| 4.1| 17| 19| 30| 3| 169

1. DHW ratings are not AHRI certified.

Condensing – Direct Vent – Stainless Steel
Gas-Fired – Hot Water – Water Tube

95% AFUE
10:1 turndown ratio
Five sizes: 80-180 MBH
5-year parts warranty
Field convertible to LP gas with optional kit
Optional EZ loop low loss header
Optional EZ Base Pedestal

CLICK HERE FOR MORE INFO

SPACE HEATING RATINGS| W (IN)| D (IN)| H (IN)| VENT DIAMETER (IN)| APPROX. SHIPPING WEIGHT (LBS)
---|---|---|---|---|---
MODEL| INPUT (MBH) Min-Max| HEATING CAPACITY (MBH)| NET AHRI WATER RATING (MBH)| AFUE (%)
PHNTM080B| 8-80| 74| 64| 95.0| 16-5/8| 17| 29-1/16| 2 OR 3| 100
PHNTM100B| 10-100| 94| 80| 95.0| 16-5/8| 17| 29-1/16| 2 OR 3| 102
PHNTM120B| 12-120| 112| 97| 95.0| 16-5/8| 17| 29-1/16| 3| 105
PHNTM150B| 15-150| 142| 123| 95.0| 16-5/8| 21| 29-1/16| 3| 119
PHNTM180B| 18-180| 179| 147| 95.0| 16-5/8| 21| 29-1/16| 3| 119
PHNTM180M| 18-180| 168| 146| 94.5| 16-5/8| 21| 29-1/16| 3| 119

Condensing – Direct Vent – Gas-Fired
Stainless Steel – Fire Tube Design – Hot Water

Up to 96% AFUE
10:1 turndown ratio
Five sizes: 85-270 MBH heat only
5-year parts warranty
Field convertible to LP gas with optional kit

CLICK HERE FOR MORE INFO

SPACE HEATING RATINGS|
---|---
MODEL| INPUT (MBH) MIN-MAX| HEATING CAPACITY (MBH)| NET AHRI WATER RATING (MBH)| AFUE (%)| W (IN)| D (IN)| H (IN)| VENT DIAMETER (IN)| APPROX. SHIPPING WEIGHT (LBS)
RPTR085HB| 8.5 – 85| 79| 69| 96.0| 19-13/16| 20| 33-5/16| 2 or 3| 140
RPTR110HB| 11 – 110| 103| 90| 96.0| 19-13/16| 20| 33-5/16| 2 or 3| 145
RPTR155HB| 15.5 – 155| 145| 126| 95.0| 19-13/16| 20| 33-5/16| 3| 160
RPTR205HB| 20.5 – 205| 189| 164| 95.0| 19-13/16| 21| 33-5/16| 3| 175
RPTR270HB| 27 – 270| 252| 219| 95.0| 19-13/16| 21| 33-5/16| 3| 185

ARUBA
(AWR SERIES)
Cast Iron – Gas-Fired – Hot Water
Atmospheric Vent

84.0% AFUE
Eight sizes: 38-280 MBH
Natural gas & LP models available
Boiler easily field convertible to left side piping
Controls located inside the jacket and easily accessible from the front of boiler
LWCO Standard

CLICK HERE FOR MORE INFO

SPACE HEATING RATINGS|
---|---
MODEL| NATURAL GAS & LP GAS| AFUE (%)| NO. OF SECS.| W (IN)| D (IN)| H (IN)| VENT DIAM. (IN)| APPROX. SHIPPING WEIGHT (LBS)
INPUT (MBH)| HEATING CAPACITY (MBH)| NET AHRI WATER RATING (MBH)
AWR038B| 38| 32| 28| 84.0| 2| 9-3/4| 31-1/2| 39-1/2| 4| 234
AWR070B| 70| 59| 51| 84.0| 3| 12-7/8| 31-1/2| 39-1/2| 4| 284
AWR105B| 105| 88| 77| 84.0| 4| 15-3/8| 31-1/2| 39-1/2| 5| 334
AWR140B| 140| 117| 102| 84.0| 5| 18-1/2| 31-1/2| 39-1/2| 6| 384
AWR175B| 175| 146| 127| 84.0| 6| 21-1/2| 31-3/4| 39-1/2| 7| 434
AWR210B| 210| 176| 153| 84.0| 7| 24-5/8| 33-1/2| 39-1/2| 7| 484
AWR245B| 245| 205| 178| 84.0| 8| 27-5/8| 33-1/2| 39-1/2| 8| 533
AWR280B| 280| 234| 203| 84.0| 9| 30-3/4| 33-1/2| 39-1/2| 8| 583

BALI 2
(BWF SERIES)
Cast Iron – Gas-Fired
Hot Water – Power Vent

Cast iron heat exchanger and stainless steel burners
Integral fan for sidewall venting
Six sizes available in natural or LP gas
Limited lifetime warranty
LWCO standard equipment
Optional direct vent kit available
Boiler easily field convertible to left side piping

CLICK HERE FOR MORE INFO

BWF Space Heating Ratings| # of Sections| ‘A’ Width| Connection Size| Water Content| Approx. Shipping Weight| Optional Direct Vent Kit
---|---|---|---|---|---|---
Basic Boiler Model| Fuel| Input| Heating Capacity| Net AHRI Rating, Water| AFUE| Gas| Vent
MBH| MBH| MBH| %| (inch)| (NPT)| (inch)| (gal)| (lbs)| (PN)
BWF070BN| NAT. GAS| 70| 60| 52| 85.0| 3| 12-3/4| 1/2| 3| 2| 260| 110019-03
BWF105BN| NAT. GAS| 105| 90| 78| 85.0| 4| 15-1/2| 1/2| 3| 3| 310| 110019-04
BWF140BN| NAT. GAS| 140| 120| 104| 85.0| 5| 18-1/2| 1/2| 3| 4| 360| 110019-05
BWF175BN| NAT. GAS| 175| 150| 130| 85.0| 6| 21-1/2| 1/2| 3| 5| 415| 110019-06
BWF210BN| NAT. GAS| 210| 179| 156| 85.0| 7| 24-3/4| 3/4| 3| 6| 470| 110019-07
BWF245BN| NAT. GAS| 245| 208| 181| 84.0| 8| 27-3/4| 3/4| 4| 7| 525| 110019-08
BWF063BL| PROPANE| 63| 54| 47| 85.0| 3| 12-3/4| 1/2| 3| 2| 260| 110019-03
BWF094BL| PROPANE| 94.5| 81| 70| 85.0| 4| 15-1/2| 1/2| 3| 3| 310| 110019-04
BWF126BL| PROPANE| 126| 108| 94| 85.0| 5| 18-1/2| 1/2| 3| 4| 360| 110019-05
BWF157BL| PROPANE| 157.5| 135| 117| 85.0| 6| 21-1/2| 1/2| 3| 5| 415| 110019-06
BWF189BL| PROPANE| 189| 161| 140| 85.0| 7| 24-3/4| 3/4| 3| 6| 470| 110019-07
BWF220BL| PROPANE| 220.5| 187| 163| 84.0| 8| 27-3/4| 3/4| 4| 7| 525| 110019-08

Direct Vent Kit is included with high altitude models.

BERMUDA
(BSI SERIES)
Cast Iron – Gas-Fired
Atmospheric Vent

Up to 82.2% AFUE
Ten sizes: 69-379 MBH
Natural gas & LP models available
Fully assembled or available as a semi-pack (172 and up)
Near boiler piping kit available separately for ease of installation

CLICK HERE FOR MORE INFO

SPACE HEATING RATINGS|
---|---
MODEL| NATURAL OR LP GAS| AFUE (%)| NO. OF SECS| W (IN)| D (IN)| H (IN)| VENT DIAMETER (IN)| APPROX. SHIPPING WEIGHT PACKAGED (LBS)
INPUT (MBH)| HEATING CAPACITY (MBH)| NET AHRI STEAM RATING
(SQ. FT.)| (MBH)
BSI069| 69| 57| 179| 43| 82.0| 3| 12-3/4| 28| 40-7/16| 4| 365
BSI103| 103| 85| 267| 64| 82.0| 4| 16| 28| 40-7/16| 5| 432
BSI138| 138| 113| 354| 85| 82.0| 5| 19-1/4| 28| 40-7/16| 6| 504
BSI172| 172| 142| 446| 107| 82.1| 6| 22-1/2| 28| 40-7/16| 6| 589
BSI207| 207| 171| 533| 128| 82.1| 7| 25-3/4| 30| 40-7/16| 7| 669
BSI241| 241| 199| 621| 149| 82.2| 8| 29| 30| 40-7/16| 7| 745
BSI276| 276| 229| 708| 172| 82.2| 9| 32-1/4| 30| 40-7/16| 8| 826
BSI311*| 310| 240| 790| 180| 77.5| 10| 35-1/2| 30| 45-7/16| 8| 957
BSI346| 345| 267| 879| 200| 77.5| 11| 38-3/4| 30| 45-7/16| 9| 1,044
BSI380| 379| 294*| 966| 221| 77.5| 12| 42| 30| 45-7/16| 9| 1,125

**Thermal Efficiency
** Gross Output
Not available for use with LP gas

TOBAGO
(TWB SERIES)
Cast Iron – Oil-Fired
Water – Atmospheric
Vent

CLICK HERE FOR MORE INFO

ENERGY STAR® rated with efficiencies up to 87.3%
Three physical sizes with firing rates from 0.65-1.90 GPH
Beckett AFG burner standard; Carlin & Riello burners optional on most sizes
Burner packaged separately for easier handling
Optional front-mounted tankless coil for domestic hot water supply
Hydrolevel Hydrostat with low water cut off

TWB SPACE HEATING RATINGS| NO. OF SECS.| TANKLESS HEATER| DIMENSIONS| SHIPPING WEIGHT
---|---|---|---|---
CROWN MODEL NUMBER| BURNER INPUT| HEATING CAPACITY| AHRI NET RATING WATER| AFUE (%)| “A”| “B”| “C”
(GAL/HR)| (MBH)| (MBH)| (GPM)| (in.)| (in.)| (in.)| (LBS)
TWB065| 0.65| 80| 70| 87.3| 3| 2.75| 17-3/8| 8-15/16| 6| 560
TWB075| 0.75| 92| 80| 87.0| 3| 3.00| 17-3/8| 8-15/16| 6| 560
TWB100| 1.00| 122| 106| 86.3| 3| 3.25| 17-3/8| 8-15/16| 6| 560
TWB125| 1.20| 148| 129| 87.0*| 4| 3.75| 22-3/8| 10-13/16| 7| 680
TWB150| 1.50| 182| 158| 86.0| 4| 4.00| 22-3/8| 10-13/16| 7| 680
TWB175| 1.75| 214| 186| 86.4| 5| 4.25| 27-3/8| 13-5/16| 8| 800
TWB200| 1.90| 231| 201| 86.1| 5| 4.75| 27-3/8| 13-5/16| 8| 800

***ENERGY STAR® certified product
Notes:**

Net Ratings are based on piping and pick-up allowances of 1.15. The manufacturer should be consulted before selecting a boiler for installations having unusual piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc.
Burner Capacity Rating, GPH is based on #2 oil with a Gross Heating Value equal to 140000 BTU/Gal.
Tankless heater ratings based on 40F inlet water, 140F outlet water, and 190F boiler water. Ratings are also based on 5 minute intermittent draws with 10 minutes between draws.

FREEPORT II
(FWZ SERIES)
Cast Iron – Oil-Fired – Hot Water
Atmospheric Vent

Six sizes: 0.60-1.60 GPH
Swing door with burner disconnect plug for easy access to all heating surfaces through the front
Beckett AFG burner standard; Carlin & Riello burners optional on most sizes

CLICK HERE FOR MORE INFO

SPACE HEATING RATINGS|
---|---
MODEL| BURNER INPUT 1 (GPH)| HEATING CAPACITY (MBH)| NET AHRI WATER RATING (MBH)| AFUE (%)| NO. OF SECS.| W (IN)| D (IN)| H (IN)| VENT DIAM. (IN)| APPROX. SHIPPING WEIGHT (LBS)
FWZ060| 0.60| 73| 63| 86.0| 2| 20-3/4| 16-1/4| 31-1/2| 5| 430
FWZ080| 0.80| 97| 84| 86.3| 2| 20-3/4| 16-1/4| 31-1/2| 5| 430
FWZ081| 0.80| 99| 86| 87.0| 3| 20-3/4| 22-1/4| 31-1/2| 6| 545
FWZ100| 1.00| 123| 107| 87.0| 3| 20-3/4| 22-1/4| 31-1/2| 6| 545
FWZ130| 1.30| 160| 139| 87.0| 4| 20-3/4| 28-1/4| 31-1/2| 6| 658
FWZ160| 1.60| 197| 171| 87.0| 5| 20-3/4| 34-1/4| 31-1/2| 7| 771

1. Input based on 140 MBH per gallon #2 fuel oil

ENERGY STAR® certified product

FREEPORT II
(FSZ SERIES)
Cast Iron – Oil-Fired – Steam
Atmospheric Vent

Up to 86.0% AFUE
Four sizes: 0.80-1.60 GPH
Optional side-mounted tankless coil for domestic hot water
Near boiler piping kit available separately for ease of installation

CLICK HERE FOR MORE INFO

SPACE HEATING RATINGS|
---|---
MODEL| BURNER INPUT 2 (GPH)| HEATING CAPACITY (MBH)| NET AHRI STEAM RATING| AFUE (%)| NO. OF SECS.| W (IN)| D (IN)| H (IN)| VENT DIAMETER (IN)| TANKLESS HEATER (GPM) 1| APPROX. SHIPPING WEIGHT (LBS)
(MBH)| (SQ.

FT.)

FSZ080| 0.80| 97| 73| 303| 85.7| 3| 22-1/2| 22-1/4| 38-1/2| 6| 3.00| 607
FSZ100| 1.00| 122| 92| 381| 86.0| 3| 22-1/2| 22-1/4| 38-1/2| 6| 3.25| 607
FSZ130| 1.30| 158| 119| 494| 86.0| 4| 22-1/2| 28-1/4| 38-1/2| 6| 3.50| 744
FSZ160| 1.60| 195| 146| 610| 85.9| 5| 22-1/2| 34-1/4| 38-1/2| 7| 4.00| 881

1. Tankless heater ratings based on an average temperature rise of 90°F with 200°F boiler water temperature and 40°F heater inlet temperature (intermittent draw).
2. Input based on 140 MBH per gallon #2 fuel oil.

KINGSTON
(KSB SERIES)
Cast Iron – Oil-Fired – Steam
Atmospheric Vent

Efficiencies up to 86.4% AFUE
Three physical sizes with firing rates from 0.65-1.90 GPH
Optional side-mounted tankless coil for domestic hot water
Beckett AFG burner standard; Carlin & Riello burners optional on most sizes
Burner packaged separately for easier handling
Near boiler piping kit available separately for ease of installation

CLICK HERE FOR MORE INFO

KSB SPACE HEATING RATINGS| NO. OF SECS.| TANKLESS HEATER| DIMENSIONS| SHIPPING WEIGHT
---|---|---|---|---
CROWN MODEL NUMBER| BURNER INPUT| HEATING CAPACITY| AHRI NET RATING STEAM| AFUE (%)| “A”| “B”| “C”
(GAL/HR)| (MBH)| (Sq. Ft.)| (MBH)| (GPM)| (in.)| (in.)| (in.)| (LBS)
KSB065| 0.65| 79| 246| 59| 85.1| 3| 2.25| 17-3/8| 8-15/16| 6| 570
KSB075| 0.75| 91| 283| 68| 85.7| 3| 2.25| 17-3/8| 8-15/16| 6| 570
KSB100| 1.00| 121| 379| 91| 85.0| 3| 2.50| 17-3/8| 8-15/16| 6| 570
KSB125| 1.20| 147| 458| 110| 86.4| 4| 2.75| 22-3/8| 10-13/16| 7| 690
KSB150| 1.50| 181| 567| 136| 85.1| 4| 3.00| 22-3/8| 10-13/16| 7| 690
KSB175| 1.75| 212| 663| 159| 85.6| 5| 3.25| 27-3/8| 13-5/16| 8| 810
KSB200| 1.90| 230| 721| 173| 85.3| 5| 3.50| 27-3/8| 13-5/16| 8| 810

Notes:

Net Ratings are based on piping and pick-up allowances of 1.333. The manufacturer should be consulted before selecting a boiler for installations having unusual piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc.
Burner Capacity Rating, GPH is based on #2 oil with a Gross Heating Value equal to 140000 BTU/Gal.
Tankless heater ratings based on 40F inlet water, 140F outlet water, and 190F boiler water. Ratings are also based on 5 minute intermittent draws with 10 minutes between draws.

COMMERCIAL HEATING

Condensing – Direct Vent – Stainless Steel
Gas-Fired – Hot Water – Water Tube

|
---|---
CLICK HERE FOR MORE INFO
ON PHANTOM-X 210-285| CLICK HERE FOR MORE INFO
ON PHANTOM-X “C”

Seven Sizes: 210-800 MBH
5:1 turndown ratio
Up to 95% AFUE (PHNTM 210-285)
Up to 97% thermal efficiency (399C-800C)
Stackable for floor space savings
Natural gas and LP applications – consult manual

SPACE HEATING RATINGS	****
MODEL	MAX. INPUT (MBH)
CAPACITY (MBH)	NET AHRI WATER RATING (MBH)
(%)	W (IN)
DIAMETER (IN)	APPROX. SHIPPING WEIGHT (LBS)
PHNTM210	210
PHNTM285	285
PHNTM399C	399
PHNTM500C	500
PHNTM600C	625
PHNTM700C	725
PHNTM800C	800

*Gross output
†Thermal efficiency

** ENERGY STAR® certified product

Condensing – Direct Vent – Stainless Steel
Gas-Fired – Hot Water – Fire Tube

95% thermal efficiency
10:1 turndown ratio
Two sizes: 320 & 399 MBH
Field convertible to LP gas with optional kit
Can be floor or wall mounted

CLICK HERE FOR MORE INFO

SPACE HEATING RATINGS

MODEL| INPUT MIN-MAX (MBH)| HEATING CAPACITY (MBH)| AHRI NET RATING (MBH)| THERMAL EFFICIENCY %| W| D| H| VENT DIAMETER (IN)| APPROX. SHIPPING WEIGHT (LBS)
RPTR320HB| 32-320| 304| 264| 95.0| 23| 22.4| 45.28| 4| 270
RPTR399HB| 39.9-399| 379| 330| 95.0| 23| 22.4| 45.28| 4| 275

(FW SERIES)
FREEPORT II
Residential/Commercial – Cast Iron
Oil- or Gas-Fired – Hot Water

Thermal efficiencies up to 84.5% for Oil, 84.0% for Gas
Six Sizes: 355-1091 MBH Gross Output
Swing open burner door
3-pass Scotch Marine design
Forced or normal draft venting

CLICK HERE FOR MORE INFO

SPACE HEATING RATINGS|
---|---
MODEL| BURNER INPUT| GROSS OUTPUT (MBH)| NET AHRI WATER RATING (MBH)| THERMAL EFF %| W (IN)| D (IN)| H (IN)| VENT DIAMETER (IN)| APPROX SHIPPING WEIGHT (LBS)
GAS (MBH)| OIL (GPH)| GAS| OIL
FW-4| 433| 3.0| 355| 309| 81.7| 84.5| 33| 26| 36| 7| 1126
FW-5| 577| 4.0| 478| 416| 82.7| 84.5| 33| 37| 36| 7| 1313
FW-6| 722| 5.0| 600| 522| 83.2| 84.5| 33| 42| 36| 8| 1524
FW-7| 866| 6.0| 723| 629| 83.5| 84.5| 33| 47| 36| 9| 1743
FW-8| 1082| 7.5| 907| 789| 83.8| 84.5| 33| 52| 36| 10| 1947
FW-9| 1299| 9.0| 1091| 949| 84.0| 84.5| 33| 57| 36| 10| 2143

SERIES 16H
Cast Iron – Gas-Fired – Hot Water
Atmospheric Vent

Thermal efficiency ratings up to 81%
Four sizes: 340-505 MBH input
Shipped semi-packaged for convenience

CLICK HERE FOR MORE INFO

SPACE HEATING RATINGS|
---|---
MODEL| INPUT MBH| GROSS OUTPUT MBH| NET AHRI WATER RATING MBH| THERMAL EFFICIENCY %| NO. OF SECS.| W (IN)| D (IN)| H (IN)| VENT DIAMETER (IN)| APPROX. SHIPPING WEIGHT (LBS)
16H-340| 340| 275| 239| 81.0| 7| 27-1/2| 32-7/16| 32-1/2| 8| 870
16H-410| 410| 328| 285| 80.1| 8| 31-1/4| 32-7/16| 32-1/2| 9| 950
16H-460| 460| 370| 322| 80.4| 9| 35| 32-7/16| 32-1/2| 10| 1040
16H-505| 505| 406| 353| 80.5| 10| 38-3/4| 32-7/16| 32-1/2| 10| 1140

SERIES 24
Cast Iron – Oil- or Gas-Fired
Hot Water or Steam

Ten sizes: 342-1852 MBH gross output
Cast iron sectional heat exchanger and push nipples
Easily assembled with short individual draw rods
Optional tankless heater for domestic hot water
Top or rear vent connections

SERIES 24 WATER & STEAM (OIL-FIRED)
CLICK HERE FOR MORE INFO

Space Heating Ratings ***|
---|---
Boiler Model5| Burner Input| Gross Output| Net AHRI Rating| Thermal Efficiency %| No. Of Sections| W (In.)| D (In.)| H (In.)| Nominal Vent Dia. (In.)| Approx. Shipping Weight (Lbs)
Oil| Steam| Water
(GPH)| (MBH)| MBH| Sq. Ft.| MBH
24-03WO| 3.05| 356| | | 310| 85.0| 3| 32-1/8| 18-1/4| 57| 7| 1363
24-03SO| 3.05| 348| 261| 1088| | 81.5| 3| 32-1/8| 18-1/4| 57| 7| 1363
24-04O| 4.10| 471| 353| 1471| 410| 82.1| 4| 32-1/8| 24-1/4| 57| 7| 1675
24-05O| 5.50| 634| 476| 1983| 551| 82.1| 5| 32-1/8| 30-1/4| 57| 8| 1987
24-06O| 6.90| 797| 598| 2492| 693| 82.1| 6| 32-1/8| 36-1/4| 57| 8| 2273
24-07O| 8.10| 937| 703| 2929| 815| 82.1| 7| 32-1/8| 42-1/4| 57| 8| 2589
24-08O| 9.40| 1087| 815| 3396| 945| 82.1| 8| 32-1/8| 48-1/4| 57| 10| 2901
24-09O| 11.40| 1316| 992| 4133| 1144| 82.1| 9| 32-1/8| 54-1/4| 57| 10| 3282
24-10O| 13.00| 1505| 1149| 4788| 1309| 82.1| 10| 32-1/8| 60-1/4| 57| 10| 3614
24-11O| 14.60| 1690| 1303| 5429| 1470| 82.1| 11| 32-1/8| 66-1/4| 57| 12| 3925
24-12O| 16.00| 1852| 1396| 5817| 1610| 82.1| 12| 32-1/8| 72-1/4| 57| 12| 4252

SERIES 24 WATER & STEAM (GAS-FIRED)
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Space Heating Ratings|
---|---
Boiler Model5| Burner Input| Gross Output| Net AHRI Rating| Thermal Efficiency %| No. Of Sections| W (In.)| D (In.)| H (In.)| Nominal Vent Dia. (In.)| Approx. Shipping Weight (Lbs)
Gas| Steam| Water
(MBH)| (MBH)| MBH| Sq. Ft.| MBH
24-03WG| 440| 356| | | 310| 81.0| 3| 32-1/8| 18-1/4| 57| 7| 1363
24-04G| 594| 476| 357| 1488| 414| 81.7| 4| 32-1/8| 24-1/4| 57| 7| 1675
24-05G| 792| 634| 476| 1983| 551| 81.7| 5| 32-1/8| 30-1/4| 57| 8| 1987
24-06G| 990| 793| 595| 2479| 690| 81.7| 6| 32-1/8| 36-1/4| 57| 8| 2273
24-07G| 1174| 940| 705| 2938| 817| 81.7| 7| 32-1/8| 42-1/4| 57| 8| 2589
24-08G| 1358| 1089| 817| 3404| 947| 81.7| 8| 32-1/8| 48-1/4| 57| 10| 2901
24-09G| 1641| 1316| 992| 4133| 1144| 81.7| 9| 32-1/8| 54-1/4| 57| 10| 3282
24-10G| 1867| 1497| 1142| 4758| 1302| 81.7| 10| 32-1/8| 60-1/4| 57| 10| 3614
24-11G| 2093| 1681| 1295| 5396| 1462| 81.7| 11| 32-1/8| 66-1/4| 57| 12| 3925
24-12*G| 2320| 1863| 1404| 5850| 1620| 81.7| 12| 32-1/8| 72-1/4| 57| 12| 4252

(MS2)

Stainless Steel – Indirect Water Heater

Five sizes: 30-119 gallon
Rugged design with coated steel jacket and heavy duty polymer top and bottom to resist cracks and abrasions (Available on sizes 30-75 only)
Large diameter and smooth surface stainless steel coil maintains superior performance over the life of the tank
Adjustable feet for uneven floors (Available on sizes 30-75 ONLY)

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AHRI Performance Ratings|
---|---
Model| First Hour Rating| Continuous Draw Rating| Standby Loss (°F/hr)| Minimum Boiler Output (MBH)| Boiler Water Through Coil| POTABLE VOLUME (GAL)| D (IN)| H (IN)| APPROX SHIPPING WEIGHT (LBS)
(Gal/hr)| (Gal/hr)| Min Flow (Gal/min)| Head Loss (ft w.c.)
MS2-030| 162| 138| 1.4| 87| 8.0| 2.6| 30.1| 23-1/2| 33-1/8| 69
MS2-040| 192| 162| 1.1| 101| 8.0| 2.8| 37.9| 23-1/2| 39-3/8| 82
MS2-050| 236| 193| 0.9| 121| 8.0| 2.9| 50.6| 23-1/2| 49-3/4| 112
MS2-075| 307| 238| 1.0| 150| 8.0| 4.5| 74.0| 23-1/2| 68-3/4| 146
MS2-119| 497| 417| 1.4| 264| 14.0| 4.2| 111.3| 30-3/4| 62-7/8| 251

MEGA-STOR BUFFER TANK

Available in 3 sizes (30, 50, 75)
Rugged design with coated steel jacket and heavy-duty polymer top and bottom
Tank cylinder made of 444 stainless steel
Adjustable feet for uneven floors
1-1/2” system connections

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MODEL	VOLUME (GAL.)	DIMENSIONS IN INCHES	WEIGHT
HEIGHT	WIDTH	NET	FULL
MSB-030	31.4	33-1/8	23-1/2
MSB-050	52.6	49-3/4	23-1/2
MSB-075	76.3	68-3/4	23-1/2

MAXI-THERM II (MT)

Glass Lined – Indirect Water Heater

Three sizes: 40, 50 and 120 gallons
Porcelain enamel tank
Porcelain enamel coated smooth coil surface

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AHRI Performance Ratings|
---|---
Model| First Hour Rating| Continuous Draw Rating| Standby Loss (°F/hr)| Minimum Boiler Output (MBH)| Boiler Water Through Coil| POTABLE VOLUME (GAL)| D (IN)| H (IN)| APPROX SHIPPING WEIGHT (LBS)
(Gal/hr)| (Gal/hr)| Min Flow (Gal/min)| Head Loss
(ft w.c.)
MT040 GBR| 205| 180| 1.1| 120| 13.7| 1.5| 37| 22| 41-1/8| 172
MT050 GBR| 210| 180| 0.9| 120| 13.7| 1.5| 43| 22| 46-1/4| 180
MT120 GBC| 400| 325| 0.4| 220| 14.0| 5.0| 107| 28-1/4| 62-1/2| 415

Note: First hour ratings are based on the following conditions: 180 deg. F Boiler Supply, 58 deg. F cold water in, 135 deg. F domestic water out.

OIL FURNACE SERIES

Five styles available: Low Profile High Boy, Low Boy, Rear Flue, Low Boy Front Flue, Horizontal/Counterflow, Hi Boy
Limited lifetime warranty on heat exchanger
5-year parts warranty

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STYLE| MODEL| BTU/H OUTPUT (1000’S)| AFUE%| Energy Star| MAX RECOMMENDED A/C| W (IN)| D (IN)| H (IN)| APPROX. SHIPPING WEIGHT (LBS)
---|---|---|---|---|---|---|---|---|---
LOW PROFILE HIGH BOY| VCSHB60-90ABP| 60 / 72 / 90| 85%| NO| 4 TON| 21| 30| 45| 270
LOW PROFILE HIGH BOY| VCSHB60-90ABT| 60 / 72 / 90| 85%*| YES| 4 TON| 21| 30| 45| 270
LOW BOY – FRONT| VCLBF68-112DBP| 70 / 88 / 98 / 114| 85%| NO| 3 1/2 TON| 22-1/4| 47| 41-1/2| 300
LOW BOY – REAR| VCLBR68-112DBP| 70 / 88 / 98 / 114| 85%| NO| 3 1/2 TON| 22-1/4| 47| 41-1/2| 300
HORIZONTAL / COUNTER FLOW| VCHC68-96CBP| 70 / 88 / 98 / 114| 85%| NO| 3 1/2 TON| 22-1/4| 22-1/4| 61-1/4| 280
HI BOY| VCH8FA119P60B| 101 / 119 / 132| 85%| NO| 5 TON| 24-1/2| 36-1/2| 50-1/8| 316

ENERGY STAR® certified product

ADVANCED FEATURES

INTEGRATED BOILER CONTROL
Features temperature control, relay and ignition functions in a single module. Included LWCO and additional circulator output for a second heating zone or an indirect water heater like the Mega-Stor II.
Standard on AWR & BWF
HYDROLEVEL 3250
The Hydrolevel HydroStat 3250 control provides temperature limit and low water cutoff, while allowing for outdoor reset control with the addition of an Outdoor Sensor Kit.
Standard on TWB & FWZ
CLICK HERE FOR MORE INFO TOUCH SCREEN
A factory preset control system featuring a touch screen display with plain language guidance makes for quick and easy setup.
Standard on Phantom, Phantom-X, Raptor, Raptor-X & Phantom Combi PHANTOM ADAPTIVE COMBUSTION
Adaptive combustion technology features

Field convertible to LP- No conversion Kit required
Simple start-up
Rate based temperature reset- no outdoor sensor required

Standard on Phantom II Combi and Heat Only boilers
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ACCESSORIES

STEAM NEAR BOILER PIPING KITS The near boiler piping kit will assist in delivering “dry” steam to the heating system, reduce short cycling, eliminate water hammering and protect against system flooding. Kit includes all components required to complete the near boiler piping as recommended in the installation manual.
Available on BSI, FSZ & KSZ
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CONDENSING ACCESSORIES VELOCITY Gas Fired Stainless Steel Combi Boiler -
FIGURE 38 CPVC/PVC Vent Kits
Leg Kit Raptor
EZ Base Phantom/Phantom Combi
EZ Loop Low Loss Header
Phantom – Residental
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High-grade materials and “smart” controls for maximum efficiency and cost savings
Safe, reliable and durable products for years of exceptional performance
Expertly engineered, inspected and certified to meet the most rigorous standards for quality, safety and efficiency
Delivered fully assembled and tested, easy to install and service
A wide range of venting options and boiler sizes to fit the needs of any home or business
Backed by superior warranties, with friendly and experienced technicians ready to answer questions and provide support

At Velocity Boiler Works our products are built to the highest standards, earning one or more of the following marks:

www.ahridirectory.orgQuality & Value Service
VelocityBoilerWorks.com
Philadelphia, PA
PSG-03/22
PN980535