A trip is typically caused by a restricted heat exchanger

The White-Rodgers 90-466 Fan Relay is a trade-grade heavy-duty enclosed fan relay designed for reliable switching in 277V commercial heating

and clamp mounting via knockouts

ensuring long-term structural integrity in demanding environments

System Sensor MHW Sensor A trip is typically causedThe System Sensor MHW is a high performance SpectrAlert Advance mini horn designed for critical life safety applications including gas and smoke detection notification. This white mini horn sounder features dual voltage capability, operating on either 12Vdc or 24Vdc regulated power supplies or full wave rectified (FWR) unfiltered circuits. Engineers and contractors specify the MHW for its compact footprint and field selectable sounder outputs,