eliminating the need for manifold modifications or bracket adjustments

Is this heat exchanger compatible with high-efficiency 90%+ AFUE furnaces

the MUA-08 prevents backdrafting of combustion appliances and maintains indoor air quality

this kit is specifically designed to fit the common 9-hole header configuration found on Raypak 206A through 406A and 207A through 407A digital heaters

Lennox 73K93 Nut 322027-701 eliminating the need for manifoldThe Lennox 73K93 Retainer Nut is a critical OEM replacement part designed for high vibration HVACR environments. This 1 4" thread zinc plated nut (replaces 66A03 and 73K9301) provides essential component fixation for residential condensers, air handlers, and package units including CHA16, CHP16, and GCS16 series. Engineered for industrial grade durability, its zinc plating offers superior corrosion resistance, ensuring a secure mechanical fit and