York S1-025-27733-002 DPST Rollout Switch 175°F-95°F

The York S1-025-27733-002 DPST Rollout Switch is a safety part which is used to turn off a HVAC system in case of high flue gas temperatures. It is a DPST switch, which means it switches two circuits at the same time. When the temperature of the flue gases reaches 175°F, the switch opens and breaks the circuit to the heating system. This helps in avoiding possible harm of the equipment and reduction of chances of fire outbreak or emitting of free carbon monoxide gas. This rollout switch has the following advantages, First of all, it has a safety function as it protects against damaging heat overheating and possible fire due to the blockage of the flues or failure of equipment.