Miller TM830T Trough-O-Matic Automatic Metal Float Valve Instruction Manual
- June 6, 2024
- Miller
Table of Contents
Miller TM830T Trough-O-Matic Automatic Metal Float Valve Instruction Manual
- Sturdy adjustable brackets tighten down with thumb screws and make installation on edge of troughs and tanks fast and easy.
- Accepts standard 3/4″ garden hose thread. Direct pipe installation quickly achieved with 3/4″ adapter (not included).
- One piece float Molded from durable maintenance free polyethylene.
- Adjustable neoprene valve seat delivers long life (Models TM830 & TM830T).
- Longer float leverages up to 55 psi water pressure with 245 gallons per hour capacity.
Each Automatic Float Valve Contains:
- 1 Metal Valve Housing
- 1 Plastic Orifice Insert (already assembled)
- 1 Hose Washer (already assembled)
- 1 Float Assembly
- 1 Large Cotter Pin 1/8″ x 2-1/4″
- 2 C-Shaped Brackets
- 2 Thumb Screws 1/4″-20 x 2″
- 2 Mounting Screws 1/4″-20 x 3/8″ (TM830)
- 4 Mounting Screws 1/4″-20 x 3/8″ (TM830T &TM830AS)
- 2 L-Shaped Brackets (TM830T & TM830AS)
- 4 Self Tapping Screws #10 x 3/4″ (TM830T & TM830AS)
- 1 Anti-Siphon Valve Stem (TM830AS)
- 1 Anti-Siphon Valve Housing (TM830AS)
- 1 Small Cotter Pin 1/8″ x 1-1/8″ (TM830AS)
Tools Required:
- Straight Blade Screw Driver
- Phillips Head Screw Driver
- Needle Nose Pliers
- Food Grade Anti-Seize Compound
Assembly Instructions (Models TM830 & TM830T & TM830AS):
-
Familiarize yourself with all of the automatic float valve components.
a. Open the loose parts bag and inventory the contents.
b. The plastic orifice insert and hose washer is already assembled in the valve housing. Make sure the orifice insert and washer are firmly seated against the valve housing.
c. The rubber valve seat is already pinned to the float. Make sure the seat and pin are firmly seated against the float. -
Position the float assembly inside the valve housing and slide the large 2-1/4″ cotter pin through the housing and the float assembly (see Figure 1). Spread the ends of the large cotter pin open slightly with pliers. When properly installed, the float assembly RUBBER should pivot freely on the cotter pin inside the valve housing.
-
See Mounting Instructions.
TM830AS
-
Familiarize yourself with all of the automatic float valve components.
a. Open the loose parts bag and inventory the contents.
b. The plastic orifice insert and hose washer is already assembled in the anti-siphon valve housing. Make sure the orifice insert and washer are firmly seated against the anti-siphon valve housing. -
Position the anti-siphon valve stem assembly in the slot of the float and slide the 1-1/8” cotter pin (smallest of the two cotter pins) through the float and the valve stem assembly (see Figure 2) then spread the end of the cotter pin open slightly. When properly installed, the valve stem assembly should pivot freely on the cotter pin inside the float.
-
Thread the anti-siphon valve housing all the way into the valve housing.
-
Position float assembly inside valve housing and slide the large 2-1/4” cotter pin through the housing and the float assembly (see Figure 3). Spread the ends of the large cotter pin open slightly with pliers. When properly installed, the float assembly should pivot freely on the cotter pin inside the valve housing.
-
See Mounting Instructions.
Mounting Instructions:
Standard Rim Tank Mounting (All Models):
-
Slide both C-shaped brackets into the valve housing as shown (see Figure 4).
Note: Use the upper mounting holes in the valve housing to maintain a water level about 4” below the rim. Use the lower mounting holes in the valve housing to maintain a water level about 2-3/8” below the rim. -
Attach each C-shaped bracket to the valve housing with the 3/8” mounting screws.
-
Apply food grade anti-seize compound to threads and connect the water supply line.
-
Position the automatic float valve assembly over the tank rim.
-
Thread the thumb screws through the C-shaped brackets and tighten.
-
Test automatic float valve operation.
Wide Rim Tank Mounting (Models TM830T & TM830AS):
-
Slide both L-shaped brackets into the valve housing as shown (see Figure 5).
-
Attach each L-shaped bracket to the valve housing with the 3/8” mounting screws.
-
Attach a C-shaped bracket to each L-shaped bracket with the 3/8” mounting screws.
Note: There are two positions on the L-shaped bracket which allows you to adjust for varying rim widths. -
Apply food grade anti-seize compound to threads and connect the water supply line.
-
Position the automatic float valve assembly over the tank rim.
-
Thread the thumb screws through the C-shaped brackets and tighten.
-
Test automatic float valve operation.
Extra Wide Rim Tank Mounting (Models TM830T & TM830AS):
-
Slide both L-shaped brackets into the valve housing as shown (see Figure 6).
2. Attach each L-shaped bracket to the valve housing with the 3/8” mounting screws. -
Apply food grade anti-seize compound to threads and connect the water supply line.
-
Position the automatic float valve assembly over the tank rim.
-
Attach each L-shaped bracket to the tank rim with two (2) self tapping screws.
Note: Pre-drill the tank rim at the desired automatic float valve mounting location with a 1/8” drill if necessary. -
Test automatic float valve operation.
1450 West 13th Street · Glencoe, MN 55336 · Customer Service 800-260-0888 · FAX 651-982-5101 For additional information visit www.miller-mfg.com
Replacement Parts
Miller Manufacturing, Glencoe, MN 55336 USA · www.miller-mfg.com
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