A.J. Antunes JD-2-PURPLE Pressure Switch 318172-701 Always use a professional-grade pipe

Always use a professional-grade pipe joint compound on the gas inlet threads and perform a bubble test on all junctions using a non-corrosive leak detection solution before leaving the job site

The Tecumseh K90-23 Overload is a critical electrical safeguard designed for high-performance HVACR refrigeration compressors

this component is engineered to handle high-cycling environments

making it a reliable choice for boiler systems and chemical processing tanks where thermal and pressure stability are non-negotiable

It is specifically compatible with 1/2" to 2" VB-7xxx Series valve bodies and 1/2" to 1-1/4" VB-9xxx Series valves

A.J. Antunes JD-2-PURPLE Pressure Switch 318172-701 Always use a professional-grade pipeThe A. J. Antunes JD 2 PURPLE Pressure Switch is a high precision, industrial differential vacuum and air pressure switch engineered for sensitive monitoring in HVAC and combustion safety systems. This OEM air proving switch features a specialized purple spring calibration, supporting an adjustable set point range from 0. 1 to 10 inches water column (W. C.). Designed with a single pole double throw (SPDT) snap action switch, it provides reliable auto