For technicians performing dual chiller startups or troubleshooting leaving fluid thermistors

It is primarily utilized in Lochinvar Power-Fin boilers (models 502 through 1302) and various A

HVAC control boards

replacing the Carrier 330687-702 Burner Assembly is the definitive fix for restoring combustion stability

Key Benefits Direct Cross-Reference: Identical specifications to the 42EF35AG for fast field replacement

Lennox 13H79 Transformer 320819-301 For technicians performing dual chillerThe Lennox 13H79 Transformer (part number 13H7901) is a heavy duty, foot mount auto transformer engineered for high voltage industrial and commercial HVAC applications. This component is specifically designed to step down voltage from a 600 VAC 60 Hz primary to a stable 460 VAC 60 Hz secondary, making it a critical part for voltage adaptation in large scale air handlers and rooftop units. With a robust 1565 VA rating and a 3. 4 Amp secondary current,