As a seasoned tech

This #43 burner orifice features a

it is frequently utilized in Lochinvar Knight and A

Broad Compatibility: Serving as a genuine Source1 part

provided an appropriate flare is generated

Weil McLain 560-528-980 Pilot Orifice As a seasoned techThe Weil McLain 560 528 980 Pilot Orifice is a precision engineered OEM replacement part specifically calibrated for natural gas (NG) applications. Featuring a precise . 018" diameter aperture, this component is critical for maintaining the specific gas to air ratio required for stable pilot flame ignition in Weil McLain EG boilers and CG series units. A fouled or incorrect orifice can lead to weak pilot signals, frequent nuisance lockouts, or delayed