Carrier HH18HA137 Limit Switch 323080-701 this adjustable PRV provides consistent

this adjustable PRV provides consistent outlet pressure even during significant fluctuations in supply pressure

Dripping often indicates thermal expansion issues or scale buildup on the seat

Serviceability: Front-facing adjustment screws allow for easy setpoint calibration while the unit is mounted

maintaining the exact 1/2" x 1/2" NPT connection specs required for a drop-in installation without manifold modification

While the board supports 120V HSI

Carrier HH18HA137 Limit Switch 323080-701 this adjustable PRV provides consistentThe Carrier HH18HA137 Limit Switch is a critical safety component designed for precise thermal monitoring within furnace heat exchangers. This OEM Carrier replacement part features an automatic reset mechanism with a cutout temperature of 130F and a cut in differential at 90F. Engineered for high cycle reliability, the HH18HA137 limit control ensures the blower motor and burner assembly operate within safe thermal parameters, preventing structural