Can I drill out an existing orifice to match the #57 specification

ensure the millivolt output meets your specific appliance's requirements for catalytic ignition

Does this include the retaining screw and gasket

Ensure the arrow on the label points in the direction of refrigerant flow toward the expansion device

safeguarding the integrity of the entire pneumatic circuit against pressure fluctuations that could compromise control accuracy

Weil McLain 512-200-035 Aluminized Burner Can I drill out anThe Weil McLain 512 200 035 aluminized burner is a professional grade replacement component engineered specifically for high efficiency hydronic systems, including the HE, HE II, and VHE boiler series. Featuring a 1 inch OD and 15 inch length, this specialized gas burner tube is constructed from aluminized steel to prevent the burner carry over problems often associated with incorrect stainless steel substitutions. As an OEM Weil McLain replacement