Recognized by contractors as functionally identical to the Barber Colman AL-87 and M215 models

ensuring the combustion blower maintains proper static pressure before allowing the ignition sequence to proceed

Robust Construction: 680 PSI rating and corrosion-resistant finish ensure reliable performance in commercial refrigeration environments

the X22440B7B ensures accurate refrigerant distribution across diverse system loads

As a critical service component for Williams Gravity Direct Vent furnaces

Conbraco 17-402-04 Relief Valve Recognized by contractors as functionallyThe 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