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For technicians troubleshooting a "limit open" fault code
Technical Precision: Features an SPST normally closed circuit that opens instantly upon hitting its thermal threshold
preventing common issues like sooting or delayed ignition during fuel changeovers
Installing a 120V element into a lower voltage system will result in inadequate heating and ignition failure
Reznor 112751 Switch For technicians troubleshooting a "limitThe Reznor 112751 Blocked Vent Switch is a critical safety component designed for HVAC unit heaters and furnace systems. As an OEM Reznor replacement part, this L200F limit switch is engineered to monitor airflow within the ventilation system. It features a fixed 200 degree Fahrenheit trip point, serving as a primary defense against hazardous flue gas backup. When a blockage occurs in the vent pipe, the resulting temperature spike triggers the switch