For reliable flame detection and combustion safety

0 Cv rating and a durable Buna-N paddle to ensure efficient fluid distribution and a tight shut-off

If the pilot stays lit but the main burner fails to engage despite proper thermopile voltage

making it a reliable choice for HVACR systems and process heating

It maintains the same 250°F trip settings and manual reset functionality

Hoffman Controls 865D Control Els PW 17895 For reliable flame detection andThe Hoffman Controls 865D is a high performance, microprocessor based three phase head pressure control engineered for low ambient operation in commercial HVACR systems. Serving as the direct replacement for the 865 3AA series, this controller utilizes advanced phase rotation detection to safeguard equipment against phase irregularities and ensure proper motor orientation. By dynamically modulating the condenser fan speed, the 865D maintains optimal