Lochinvar & A.O. Smith 100112664 Burner Assembly R-134A a permanent SP12049D replacement is

a permanent SP12049D replacement is recommended for 75-gallon units to ensure long-term reliability and proper millivolt signal strength across the 24-inch lead

The integrated bracket ensures precise alignment and secure mounting within the ductwork or heat exchanger tubes

this valve is specifically calibrated for R-22 refrigerant

ensuring seamless integration with original furnace wiring

This 115V motor requires a run capacitor matched to its microfarad rating

Lochinvar & A.O. Smith 100112664 Burner Assembly R-134A a permanent SP12049D replacement isThe Lochinvar & A. O. Smith 100112664 Burner Assembly is a precise OEM replacement engineered for high recovery natural gas water heaters and commercial heating systems. This 20 inch burner assembly features a factory calibrated #32 orifice, ensuring the stoichiometric air fuel ratio required for efficient combustion and minimal carbon monoxide production. Specifically designed for compatibility with series like the PVN5040 and G650S40N PV ES2, this