the high limit circuit is likely open

replacing a fouled or incorrect orifice with a genuine #29 NG orifice can restore proper blue flame combustion

Robust Design: Heavy-duty brass machining prevents thread stripping and resists corrosion within the burner assembly

Is the 314100 a direct fit for the old 312900

and concentrates

IDEC Relays RH3B-UAC24V Relay the high limit circuit isThe IDEC RH3B UAC24V is a heavy duty 3PDT (3 Pole Double Throw) power relay designed for high density control panels and HVACR logic circuits. This compact midget relay features a 24VAC coil and provides a reliable 10A switching capacity, making it a staple for contractors handling industrial machinery and motor load switching. Its blade style terminals ensure a secure fit into standard socket mounting configurations, allowing for rapid field