functioning within a defined 120-160°F temperature range to prevent heat exchanger damage or unsafe operating conditions

625-inch (5/8") shaft diameter

As a multi-tap HVAC 24V step-down transformer

proprietary bio-degradable oil and rugged aluminum casing for reliable dielectric performance

Reznor 112751 Switch functioning within a defined 120-160°FThe 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