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inconsistent downstream pressure
you must install a dedicated overpressure protection device to prevent internal diaphragm damage
Pneumatic Thermostat and Valve Actuator
The Sensus 243-12 regulator is typically rated for a maximum inlet pressure of 125 psi
Carrier HH18HC065 Defrost Thermostat 321894-706 inconsistent downstream pressureThe Carrier HH18HC065 Defrost Thermostat is a critical temperature actuated switch designed for Carrier, Bryant, and Payne heat pump systems. As a veteran grade OEM replacement part, this DPDT defrost thermostat ensures precise defrost cycle management by monitoring the outdoor coil temperature. It is engineered to open at 65F and close at 45F, preventing unnecessary heater activation and protecting the compressor from liquid slugging during cold
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