Lennox 51M93 Ignitor 30067439-890 and DH500 series detectors function

and DH500 series detectors function according to code

5-ton TXV be used on a 2-ton system

and Luxaire models like the 2970A766

providing versatile switching capabilities for multiple loads from a single 24VAC/DC coil input

allowing for quick 15-minute interval adjustments on the 24-hour dial

Lennox 51M93 Ignitor 30067439-890 and DH500 series detectors functionThe Lennox 51M93 Ignitor (also identified as Lennox 51M9301) is a high performance hot surface ignitor engineered for precise ignition in HM61 series water heaters and select Lennox gas furnaces. Manufactured with durable silicon carbide (equivalent to Norton 201Q), this component is built to withstand high thermal stress and repeated cycling without the premature oxidation common in lower grade aftermarket alternatives. As an OEM replacement part, it