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a thermocouple produces approximately 30mV
Direct Drop-In Replacement: Specifically replaces the legacy Watts 0274479 model without piping modifications
Vibration Resistance: The 36" capillary lead isolates the bellows from compressor-induced harmonics
ensuring tempered water delivery at flow rates from 0
Humming or failure to close often indicates a worn diaphragm or debris in the valve seat
Watts 0590713 Valve 320788-704 a thermocouple produces approximately 30mVFor high efficiency hydronic management, the Watts 0590713 Valve (Series HAV) delivers precision air removal across residential and commercial heating circuits. This 1 4" HAV automatic vent valve is engineered to eliminate air pockets in baseboards, convectors, and radiators, preventing the common service calls associated with noisy pipes and poor heat distribution. Featuring a two piece chromed brass body, the unit integrates a moisture retaining