Conbraco 17-402-04 Relief Valve This kit is built for

This kit is built for rugged industrial applications where maintaining ISO 8573-1 air quality standards is mandatory

Check your specific furnace model number against technical data

ensuring the flame remains precisely positioned to satisfy the safety circuit

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

The flashing sequence typically corresponds to a specific HVAC error code found on the unit's wiring diagram or blower door label

Conbraco 17-402-04 Relief Valve This kit is built forThe 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