Siemens Building Technology 265-1028 Valve 321702-401 Using the provided high-temp gasket

Using the provided high-temp gasket is mandatory to prevent combustion byproducts from escaping the blower housing into the mechanical room or living space

If the lockout is caused by an improper fuel-to-air ratio due to a leak at the gas valve or venturi connection

Proportional Pressure Controller

preventing dangerous overheating and premature component failure in forced-air applications

Siemens Building Technology 265-1028 Valve 321702-401 Using the provided high-temp gasketThe Siemens Building Technology 265 1028 is a professional grade 3 way electro pneumatic valve engineered for critical interlock applications between electrical and pneumatic control systems. Operating on a robust 110 120V AC coil, this open frame solenoid valve is a "Model 3" general purpose switch designed to alternately apply or exhaust pressure from pneumatic circuits based on electrical input. Built for 1 4" barbed connections, it provides