Operating a spring outside its rated water column range can lead to poor regulation and potential safety issues

Durable Construction: Engineered to withstand the rigors of industrial heating cycles and maintain accurate sensing over a long service life

It interfaces seamlessly with any standard refrigeration service wrench

Its internal copper connections facilitate easy brazing while the large viewing window allows for immediate detection of flash gas or bubbles

Johnson Controls T-4002-2126 Pneumatic Cover Els PW 17895 Operating a spring outside itsJohnson Controls T 4002 2126 Pneumatic Cover with Faceplate, Nickel, No Thermometer or Setpoint Window, Horizontal