Lochinvar & A.O. Smith 100187927 Burner Assembly 320788-703 preventing carbon monoxide leakage into

preventing carbon monoxide leakage into the mechanical room and ensuring your exhaust venting system remains compliant with local mechanical codes and manufacturer specifications for clearance and airflow efficiency

Technicians typically identify issues through "pressure switch stuck open" fault codes

maintaining a stable spark gap even under extreme operating conditions

architectures

Lochinvar & A.O. Smith 100187927 Burner Assembly 320788-703 preventing carbon monoxide leakage intoWhen you're servicing a failing GS(N)05040 natural gas water heater, the Lochinvar & A. O. Smith 100187927 Burner is the exact 20 inch final burner assembly required for a drop in replacement. This NAT 20" BURNER ASSY comes pre configured with a #34 orifice, ensuring the correct BTU output and manifold pressure for high efficiency operation in Lochinvar Series 400 units. Veteran techs know that burner degradation or cracked heads often lead to