a compressor that hums but fails to turn over

Designed with 2-SPDT (Single Pole Double Throw) switching configuration

restoring the precise 40/5 MFD capacitance ensures the system maintains optimal power factor correction

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

Chatter is typically the result of low voltage from the transformer or a faulty thermostat

Lochinvar & A.O. Smith 100276287 Thermostat L99H008 a compressor that hums butThe 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