This proportional-action relay features a factory-integrated bias adjustment

Exact OEM Fit: Guaranteed mechanical and electrical compatibility for specified Mitsubishi HVAC parts models

ensuring long-term dielectric stability for single-phase motors

What is the primary cause of heater failure

or diagnostic LED codes indicating an internal circuit failure

Utica-Dunkirk PB-003.01 Thermopile 320788-703 This proportional-action relay features aThe Utica Dunkirk PB 003. 01 Thermopile is a heavy duty millivolt generator designed specifically for self powered gas fired heating systems, including residential boilers and furnaces. Engineered to convert thermal energy from a standing pilot flame into a consistent 750 millivolt (mV) DC signal, this component ensures the reliable operation of the main gas valve without the need for an external power source. As an OEM replacement part, it maintains