featuring a Double Pole Single Throw (DPST) configuration

Common Questions What is the exact pressure range for the 143-08-021-00 red spring

in HVAC applications

such as a clogged HVAC air filter

this motor mounting strap provides a reinforced

Heil Quaker ICP 1171325 Rollout Switch featuring a Double Pole SingleThe Heil Quaker ICP 1171325 Rollout Switch is a critical safety component designed for furnace flame rollout protection. This SPST (Single Pole Single Throw) safety switch is engineered to interrupt the heating cycle if it detects sustained thermal exposure near the burner assembly, preventing hazardous conditions caused by restricted venting or heat exchanger failure. Operating with high precision thresholds, the ICP 1171325 features a 195 degree F