Conbraco 17-402-01 Relief Valve An integrated override switch allows

An integrated override switch allows technicians to manually force the relay "On" or "Off" for critical maintenance or troubleshooting

this igniter ensures consistent furnace ignition for both natural gas and liquid propane (LP) systems

delivering a stable pilot flame that prevents nuisance lockouts and ensures the main burner orifice ignites without delayed ignition or "booming

Always verify the cross-reference list

High operating temperatures typically indicate a high-resistance short in a contactor coil or gas valve solenoid downstream that is over-taxing the 40VA rating

Conbraco 17-402-01 Relief Valve An integrated override switch allowsThe Conbraco 17 402 01 Relief Valve is a high capacity hot water pressure relief valve engineered specifically for thermal expansion protection in ASME Section IV heating boilers and water storage systems. Built with a heavy duty bronze body and corrosion resistant stainless steel springs, this 3 4" MNPT x 3 4" FNPT valve is factory set at 75 PSI to ensure system integrity. With a thermal capacity of 505,000 BTU hr, it provides an essential safety