this unit converts room ambient temperatures into a 3 to 15 psi pneumatic signal

The ASCO 8221G11-240V Solenoid Valve is a high-performance

The Lennox 83W12 Gas Valve is a high-performance 2-stage natural gas valve engineered for precision fuel regulation in residential and light commercial furnaces

it provides precise flow control in liquid

Resideo PA404A1025 Pressuretrol Controller 322056-301 this unit converts room ambientThe Resideo PA404A1025 Pressuretrol Controller is a heavy duty, pressure actuated high limit safety control engineered specifically for steam heating boilers. This SPST switching device serves as a critical fail safe, designed to break the electrical circuit and shut down the burner if system pressure exceeds your defined set point. With an adjustable pressure range of 3 to 15 psi and a subtractive differential of 1 to 5 psi, this controller allows