Conbraco 17-402-04 Relief Valve ensuring the flame remains precisely

ensuring the flame remains precisely positioned to satisfy the safety circuit

00" WC to match original factory specifications for Dunkirk Q90-100 systems

ensuring accurate superheat control even in systems with high pressure drops across the evaporator

This OEM replacement part ensures compliance with local electrical codes while protecting internal circuitry from high-temperature environments typical of gas-fired heat exchangers

Conbraco 17-402-04 Relief Valve ensuring the flame remains preciselyThe 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