For constant-on applications like battery isolation

Common indicators include the outdoor coil completely icing up in heating mode

Mounting with the connections facing up is not recommended

Built with a double-inlet design and single-hub convex center plate

Changing the pitch from the original 21 degrees will alter the amp draw on your HVAC condenser motor

Watts 0383484 Valve THPU32HP7Y For constant-on applications like batteryThe Watts 0383484 (Series 740) is a high capacity boiler pressure relief valve engineered specifically for commercial and industrial hot water space heating applications. Featuring a 1 1 4 inch NPT female inlet and an expanded 1 1 2 inch NPT female outlet, this ASME Section IV certified valve is designed to handle a massive discharge capacity of 4,285,000 BTU hr at a 75 PSI set pressure. Its iron body construction and stainless steel spring ensure