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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
The York S1-025-31812-000 Rollout Switch is a critical safety component designed for specific furnace burner assemblies where precise thermal monitoring is non-negotiable
In many electric furnace configurations
Standard needle-nose pliers or a spring hook tool are sufficient for technician installation
Whether you are running field wiring for spring return actuators or non-spring return models
including NAHL and PDX series models
Modine 5H0730570003 Block Vent Switch The York S1-025-31812-000 Rollout SwitchThe Modine 5H0730570003 Blocked Vent Switch is a critical safety component engineered to monitor flue gas temperatures and prevent hazardous operating conditions. This genuine OEM replacement part is specifically designed for Modine PD400 and BD400 unit heaters, serving as the direct functional successor to the legacy 5H73057 3 model. Operating as a manual reset safety switch, it is calibrated to trip when vent temperatures reach 200F (93C),