An open circuit or a reading significantly outside the manufacturer’s resistance range indicates a failed winding

Precise Control Logic: The 4-8 PSI spring range allows for accurate sequencing and calibrated response to pneumatic signals

HVAC technicians and contractors

installing a high-quality brass construction relief valve is essential to prevent discharge leaks caused by thermal expansion

The L-shaped ignitor measures 1 11/16 inches

Lochinvar & A.O. Smith 100276287 Thermostat L99H008 An open circuit or aThe Lochinvar & A. O. Smith 100276287 Thermostat is a high precision K Gas Thermostat MFG H CONV designed for professional grade temperature regulation in commercial and residential water heating systems. Engineered as a direct OEM replacement part, this manual reset gas thermostat effectively manages heat levels by modulating the gas supply based on real time fluid temperatures. It operates within a precise 40F to 120F temperature range, ensuring