Williams Heater Wall Thermostat
Williams Heater Wall Thermostat
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Williams Heater Wall Thermostat
Millivolt Temperature Control — Part No. P322016 (Code 765-737)
The Williams Millivolt Wall Thermostat automatically regulates your heater's main burner to maintain steady room temperature with zero electricity or batteries.
Power & Operation
- Zero Electricity: Runs 100% on millivolt power generated by the pilot thermopile.
- No Batteries: Never requires battery replacements or external 120V power wiring.
Temperature Control
- Manual Dial: Easy-to-read dial calibrated from 50°F to 90°F (10°C to 30°C).
- Mercury-Free Sensor: Rugged bimetal sensor delivers dependable, accurate on/off cycling.
Model Compatibility
Install & Warranty
- Simple 2-Wire Setup: Connects quickly to any standard interior wall or electrical box.
- Warranty: Backed by a 1-year Williams factory parts warranty.
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