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Incorporating this HVAC high limit control into your repair ensures the system operates within its rated heat rise specifications
while the 237 Ohm resistor is connected across terminals B and R to facilitate the 4-20 mA signal conversion
A built-in override switch provides immediate manual control
The forged brass construction and nickel-plated stem ensure durability under thermal stress
Whether managing fan coil units or specific zone controller requirements
Sensus 143-16-021-08 Cadmium Spring Els PW 17895 Incorporating this HVAC high limitStandardize your gas pressure regulation for high capacity applications with the Sensus 143 16 021 08 Cadmium Spring. Engineered for field reliability, this critical component provides the precise loading force required for Sensus 243 8, 243 12, 121, and 122 series regulators. Featuring a cadmium plated steel construction, this spring is designed to deliver a low coefficient of friction for smooth valve travel and exceptional resistance to