If the furnace is heating but the blower fails to engage—or stays on indefinitely after the call for heat ends—the time delay logic within this relay is likely compromised and requires replacement

making it versatile for different control wiring setups

Does this kit include components for the automatic drain valve

the S1-7990-6451 integrates a pre-installed gasket to ensure a combustion-tight seal against the collector box

Key Benefits High-Temperature Versatility: The 100 to 240 degree F range is ideal for commercial water heaters

Lennox 27H45 Motor R-410A If the furnace is heatingUpgrade or restore your HVAC system with the Lennox 27H45, a high performance 1 6 HP condenser fan motor engineered for precision and reliability. Operating on 208 230V single phase power at a consistent 1075 RPM, this PSC motor (Permanent Split Capacitor) is the direct OEM replacement for Lennox 27H4501. Designed with a 48 frame assembly and a 1 2 inch diameter shaft, it provides the exact mechanical fit required for Lennox, Armstrong, and Ducane