Carrier HH18HB031 Freeze Stat 320819-301 If the float feels heavy

If the float feels heavy or you hear liquid splashing inside

The Maxitrol 325-7AL-1

this actuator ensures positive shut-off during power loss

Designed with bimetal sensing elements and internal pneumatic feedback

facilitating precise directional control of refrigerant flow to switch between heating and cooling cycles

Carrier HH18HB031 Freeze Stat 320819-301 If the float feels heavyInstalling a Carrier HH18HB031 Freeze Stat is a critical preventative measure for any light commercial or residential split system prone to coil icing. This OEM frozen coil protection switch is a Single Pole Single Throw (SPST) device designed to interrupt the compressor circuit when temperatures drop below safe thresholds. Specifically calibrated for high reliability freeze protection, the contacts open at 30F and automatically reset close at 45F,