Lennox 10H21 Transformer 321042-401 This genuine OEM furnace flame

This genuine OEM furnace flame sensor replacement is engineered for high-sensitivity ion current detection

3-inch diameter motor is now superseded by the Fasco D540 direct replacement

Can this blower be used in downflow and upflow configurations

making it a staple for contractors managing air

providing a broad application scope for commercial cooling

Lennox 10H21 Transformer 321042-401 This genuine OEM furnace flameThe Lennox 10H21 Transformer (Model LB 95312G) is a heavy duty, factory authorized step down transformer engineered specifically for high voltage industrial and commercial HVAC applications. Featuring a 575V primary input (rated up to 600VAC at 60Hz) and a 230V secondary output, this 175VA transformer provides the high capacity power regulation required for sophisticated control circuits, contactors, and relays within Lennox equipment. Built for