the Watts 780333 is approved for non-potable water applications such as cooling towers

Can this valve be mounted with flange adapters

making it suitable for chilled water and freeze-protection loops

Flame Sensing Versatility: Supports both local (through the ignitor) and remote flame sensing to fit various OEM burner designs

Contractor Ready: Simplified 2C sensor style eliminates the complexity of retrofitting older O

Carrier HH19ZA175 Limit Switch 318172-701 the Watts 780333 is approvedThe Carrier HH19ZA175 Limit Switch is a critical safety component designed for precise thermal monitoring in residential and commercial HVAC equipment. Optimized for 125 VAC VDC systems, this normally closed (NC) limit actuator operates with a specific 175F open temperature and a 135F close temperature. Built as a Pro Dim high temperature switch, it effectively prevents heat exchanger damage by breaking the 24V control circuit if internal temperatures