The Braeburn 1230 supports up to 2 heat stages

or diagnostic codes indicating a "pressure switch stuck open" or "failed to close" error

this 0453R series model offers the terminal-to-terminal reliability required for advanced climate control sequences

The S20 series utilizes a zero-differential design

preventing dielectric breakdown during peak summer operation

Watts 0383942 Relief Valve Refrigerant The Braeburn 1230 supports upThe Watts 0383942 (Model 740 1 1 2 75) is a high capacity ASME Section IV safety relief valve engineered specifically for liquid filled hot water heating boilers and storage tanks. Featuring a 1 1 2 inch NPT threaded inlet and outlet, this valve is factory set to discharge at 75 PSI with a massive steam equivalent relief capacity of 5,909,000 BTU hr. The Watts 740 series utilizes a large orifice design and a silicon coated EPDM disc to ensure positive