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The S40 supports Lennox Smart Room Sensors and Smart Air Quality Monitors
determined by looking at the discharge side of the air
replacing damaged or aged covers without modification
Is the ICP 1172839 board compatible with multi-stage systems
When an external safety limit (ECO) opens
Lennox 21W66 Gasket 321894-709 The S40 supports Lennox SmartThe Lennox 21W66 Gasket is a critical OEM replacement component engineered specifically for induced draft assembly sealing in high efficiency residential and commercial heating units. As a veteran tech knows, a compromised seal at the inducer motor lead to pressure switch trips and flue gas leakage. This draft inducer blower gasket (cross referenced as LB 106197) is designed to withstand high temperature combustion environments while maintaining a
US$ 195.00
US$ 145.00