meaning it triggers the fan at 110°F and continues operation until the temperature drops 25°F below that set point

reducing the risk of harmonic vibrations that lead to premature wear

The MHR is both mechanically and electrically compatible with the PA400 series Mini-Alert sounders

This pneumatic thermostat guard is compatible with a wide range of Johnson Controls and Penn units

Lennox 58J97 Flare Kit R-410A meaning it triggers the fanThe Lennox 58J97 Flare Kit (also cataloged as 58J9701) is a critical TXV Flare Adapter Kit engineered for high pressure refrigerant line connections in residential and light commercial HVAC systems. This genuine OEM Lennox part, also identified by model number LB 86210A, provides the necessary components to transition from standard flare fittings to thermostatic expansion valve (TXV) ports without requiring manual brazing or specialized field