Inspect the orifice for signs of corrosion

replacing a 250V with a 330V)

Designed to withstand the thermal stress of constant cycling

High-Temperature Durability: Engineered with materials capable of withstanding the thermal stresses common in furnace and water heater combustion chambers

Antunes Controls 8021204014 Pressure Switch Els PW 17895 Inspect the orifice for signsThe Antunes Controls 8021204014 Pressure Switch is a high precision air differential pressure switch engineered for critical HVACR and energy management proving circuits. As a veteran grade SMD Series model, it features a versatile set point range of 0. 17 to 6. 0" W. C., making it an essential component for monitoring fan proving, filter status, and combustion air pressure. This unit utilizes a snap acting SPDT switch (Single Pole Double Throw)