Modine 5H0547510021 Orifice 318172-701 ensuring that combustion gases are

ensuring that combustion gases are safely directed into the venting system without leakage into the cabinet or conditioned space

Absoluteley

verify resistance values against the Weil McLain temperature/resistance chart found in the boiler service manual for diagnosis

You should match the 667294R part number against your unit's parts list

consolidating your inventory for multiple service calls

Modine 5H0547510021 Orifice 318172-701 ensuring that combustion gases areThe Modine 5H0547510021 Orifice is a precision engineered Natural Gas Main Orifice designed for consistent gas flow regulation in commercial and industrial Modine heating units. As a critical component in the burner manifold assembly, this orifice is calibrated to maintain the specific manifold pressure required for efficient combustion and clean flame characteristics. Built from high grade, corrosion resistant brass, it ensures long term reliability