This gasket is the standard cover seal for Armstrong B2 and B3 series F&T traps

this sensor provides high-accuracy pressure readings within a 0-475 PSI range

directly lowering energy consumption and extending the service life of major commercial HVAC components

meaning the logic module is integrated and flashed with the specific performance curves required for compatible York hardware

Lennox 28W44 Flue 323269-701 This gasket is the standardThe Lennox 28W44 Flue Exhaust Tee is a critical OEM replacement part designed for precision venting in high efficiency gas furnaces. Engineered from rugged steel, this flue assembly ensures the safe and streamlined redirection of combustion gases, maintaining the atmospheric integrity of the heat exchanger circuit. As a veteran grade HVAC exhaust component, the 28W44 is built to withstand high temperature cycles without structural degradation or seal