Haws SP158B Freeze Protection Valve offer protection for areas that experience occasional snap freezes. This freeze protection valve opens when internal water temps fall below 35 degrees F and closes completely when the water temp increases back up to 42 degrees F or above.
Haws Freeze Protection Bleed Valve- Haws Emergency Eyewash Parts
Haws SP158B, is a fully engineered freeze protection valve is constructed of a one piece brass body, and supplied with a removable cartridge for easy cleaning and maintenance. Automatic thermal actuator bleed valve opens when internal water temperature falls below 35° F (1.7° C) and closes completely when the water climbs back to 42° F (5.6° C) or above. 1/2" NPTF inlet and outlet. (For stainless steel requirements, contact customer service.)
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