The White-Rodgers 24A34-15 Heat Sequencer is a professional-grade SPDT (Single-Pole

If the vacuum is sufficient but the SPST contacts fail to close (continuity check)

the X22440B7B ensures accurate refrigerant distribution across diverse system loads

the MARS 12764 is designed to operate efficiently on both 50 and 60 Hertz frequencies

Conbraco 17-402-04 Relief Valve The White-Rodgers 24A34-15 Heat SequencerThe Conbraco 17 402 04 Relief Valve is a high capacity, pressure only safety device engineered specifically for hot water heating boilers and hydronic systems. Featuring a rugged cast bronze body and a 3 4 inch MNPT inlet x 3 4 inch FNPT outlet, this ASME Section IV certified valve is factory set to 150 PSI. It provides critical protection against thermal expansion, supporting systems with a discharge capacity up to 934,000 BTU HR. Designed for