Richmond RMCBH-L125i High-Efficiency Condensing Combi Boilers Instructions
- June 13, 2024
- RICHMOND
Table of Contents
Richmond® Encore® L-Series Super
High-Efficiency Condensing Combi Boilers
RMCBH-L125i High-Efficiency Condensing Combi Boilers
RMCBH-L125i, RMCBH-L160i & RMCBH-L199i
Indoor Direct Vent
125,000-199,000 BTU/h
Natural Gas/LP Convertible
www.ahridirectory.org
Water heater pressure drop – L-Series
RMCBH-L125i, RMCBH-L160i & RMCBH-L199i
FLEXIBLE INSTALLATION
- Moveable combustion air intake (left/right) and ability to flex vent in existing B-vent
- Extra long pipe fittings with notched sides for easy gripping with wrench
- Only 5 moving parts – Fan, Bypass Valve, Pump, Gas Valve, and Damper
- Universal shared platform parts – Easily diagnose and service with common parts for all L-Series units
KEY FEATURES
- Innovative Labyrinth Heat Exchanger with 2 independent copper waterways for maximum heat transfer and minimal heat loss
- Built-in ECM variable speed, high efficiency boiler pump
- Built-in Illuminated Touchscreen Control Panel
- Outdoor reset technology increases efficiency by lowering water temperature automatically
- Wireless cascading using RF balances workload of each unit for longer life
- Only Combi Boilers that can be cascaded for both space heating and domestic hot water
Specifications
| MODEL NO. | RMCBH-L125i | RMCBH-L160i | RMCBH-L199i |
|---|---|---|---|
| Input Rate (Heating Mode) | MAX | 99,000 BTU/h | 125,000 BTU/h |
125,000 BTU/h
MIN| 16,500 BTU/h| 23,000 BTU/h| 28,500 BTU/h
Output Rate (Heating mode)| MAX| 89,000 BTU/h| 111,000 BTU/h|
111,000 BTU/h
MIN| 15,800 BTU/h| 22,000 BTU/h| 27,100 BTU/h
Input Rate (Domestic Hot Water)| MAX| 125,000 BTU/h| 160,000
BTU/h| 199,000 BTU/h
MIN| 16,500 BTU/h| 23,000 BTU/h| 28,500 BTU/h
AFUE| 95%| 94%| 95%
Gas Pressure (Nat Gas or LP gas)| MAX| 14″ WC
MIN| 4″ WC
Power Supply| 120V/60Hz
Weight lbs. (empty)| 85| 84
Pressure vessel water content – USG| 0.5| 0.19
Boiler Flow Rate – GPM| MAX| 10| 11| 12
MIN| 2
Water Pressure| MAX| DHW 150 psi / Heating 43.5psi
MIN| DHW 40psi / Heating 8psi
Maximum Altitude| 10,100 ft| 10,100 ft| 10,100 ft 3
Ambient temperature – Low (°F)| 32°
Ambient temperature – High (°F)| 122°
Max relative humidity (non-condensing)| 90%
Temp Range| Heating Mode| 51°F-194°F
Domestic Hot Water| 105°F-149°F
Minimum Activation Flow Rate (DHW)| 0.5 GPM
Gallons per Minute – GPM (Domestic Hot Water)| MAX| 4| 7
67°F Rise| 3.2| 4.1| 5
Gas Connection| 3/4″ Male NPT
Domestic Hot Water Connection| 3/4″ Male NPT
Heating Connection| 1″ Male NPT
Max equivalent vent length 2″ (each side)²| 65′
Max equivalent vent length 3″ each side)| 120′
Ultra Low NOx| Meets 14ng/J NOx requirements – SCAQMD Rule 1146.2
compliant
Warranty¹| 10-Year Heat Exchanger, 5-Year Parts, 1-Year Labor
- See Warranty Certificate for complete information.
- Approximate input derate of 10 – 16% at 2″ maximum vent length.
- Natural Gas only, LP is 7,800 ft
View the boiler head loss – L-Series RMCBH-L125i, RMCBH-L160i & RMCBH- L199i
Specifications
| VENTING | MAXIMUM EQUIVALENT LENGTH |
|---|---|
| Schedule 40 PVC, CPVC or Polypropylene | (each side) |
| 2 “ | 65′ 2 |
| 3 “ | 120′ |
| 2″ or 3″ 90° Long Sweep Vent Elbow | Allow 5 equivalent feet |
| 2″ or 3″ 90° Short Sweep Vent Elbow | Allow 8 equivalent feet |
| 2″ or 3″ 45° Vent Elbow | Allow 3 equivalent feet |
| Polypropylene | |
| PPs 87-90° Elbow | Allow 8 equivalent feet |
| Flex PPS | |
| 3″ PPs Flex | 35′ Actual (Equivalent = Actual x 1.4) |
²Approximate input derate of 10 – 16% at 2″ maximum vent length.
SURFACE| MIN. DISTANCE FROM COMBUSTIBLE SURFACES| RECOMMENDED
DISTANCE FOR INSTALLATION AND SERVICE
---|---|---
Front| 2 “| 24 “
Rear| 0 “| 0 “
Left Side| 1.5 “| 6 “
Right Side| 4 “| 6 “
Top| 2 “| 24 “
Bottom| 8 “| 24 “
| PIPING CONNECTIONS| DIMENSION
---|---|---
A| Exhaust Outlet| 2″ Schedule 40 PVC
B| Combustion Air Inlet| 2″ Schedule 40 PVC
C| Cold Domestic Water Connection| 3/4 ” Male NPT
D| Hot Domestic Water Connection| 3/4 ” Male NPT
E| Heating Water Inlet| 1″ Male NPT
F| Heating Water Outlet| 1″ Male NPT
G| Gas Inlet| 3/4 ” Male NPT
H| Condensate Outlet| 3/4″ Hose
I| Control Wiring| 7/16″ Rubber Plug
Dimensions
Parts & Accessories
Floor Stand
P-267C| Service Parts Kit
P-911R
---|---
|
EZ Pipe Manifold
251-063, 251-064| 2″ PVC Sidewall Vent Kit
P-741
|
3″ PVC Sidewall Vent Kit
P-742
In keeping with its policy of continuous progress and product improvement, Richmond reserves the right to make changes without notice.
Richmond Water Heaters
• 1115 Northmeadow Parkway, Suite 100, Roswell, Georgia 30076
© Rheem Manufacturing Company
• 04/23 • FORM NO. T-TK-RMCBH-L Series
RichmondWaterHeaters.com
RICHMOND® WATER HEATERS
Documents / Resources
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Richmond RMCBH-L125i High-Efficiency Condensing Combi
Boilers
[pdf] Instructions
RMCBH-L125i High-Efficiency Condensing Combi Boilers, RMCBH-L125i, High-
Efficiency Condensing Combi Boilers, Efficiency Condensing Combi Boilers,
Condensing Combi Boilers, Combi Boilers, Boilers
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