For technicians performing a heat pump defrost relay replacement

4074ENY is identical to 4074ENY/U

It features an integrated 4-port orifice hood that ensures precise flame pattern and consistent ignition across various burner configurations

ensuring consistent capacitance within the specified ±20% tolerance

Lennox 27J02 Flame Sensor For technicians performing a heatThe Lennox 27J02 Flame Sensor is a critical OEM replacement part designed for precision flame monitoring in high efficiency Lennox gas furnaces, including the G26 series. This straight style furnace flame sensor features a 13 16 inch rod and a 20 1 2 inch lead with a female spade connector, ensuring seamless integration with the ignition control board. Since the 27J02 is identical to 27J0201, it serves as a direct drop in for units requiring 24 VAC