Lochinvar & A.O. Smith 100346611 Burner Assembly 320788-703 Simplified Installation: Standard 1/4" barb

Simplified Installation: Standard 1/4" barb connection and two-terminal wiring configuration facilitate rapid field replacement

this is a fixed-pressure relief valve factory-set at 75 PSI to protect systems with specific pressure requirements beyond standard 30 PSI residential setups

it eliminates the compatibility headaches associated with generic aftermarket boards

This dual run capacitor features a primary 35 MFD section for the compressor (HERM) and a secondary 3 MFD section for the condenser fan motor (FAN)

Enhanced Accuracy: Features an integrated sun shield to eliminate radiant heat interference

Lochinvar & A.O. Smith 100346611 Burner Assembly 320788-703 Simplified Installation: Standard 1/4" barbThe Lochinvar & A. O. Smith 100346611 Burner Assembly is a precision engineered OEM replacement part designed for high efficiency hydronic boilers and gas water heaters. As a critical component in the combustion string, this ultra low NOx burner is built to maintain strict emission standards while ensuring a stable, controlled flame pattern. The assembly 100346611 is a direct fit solution for Lochinvar Knight and A. O. Smith residential gas water