This HVAC collector box gasket is precision-engineered from high-grade elastomer materials to withstand the thermal cycling and corrosive condensate typical in high-efficiency furnace repair environments

and they are fully interchangeable in terms of fit

and Reliance brands

5-ton thermostatic expansion valve designed specifically for R22 systems requiring precise refrigerant metering

Constructed from high-durability composite to resist heat-related deformation and chemical corrosion

Carrier 325423-401 Vent Coupling 326070-701 This HVAC collector box gasketThe Carrier 325423 401 Vent Coupling is a critical OEM replacement part designed specifically for condensing gas furnaces. This flexible rubber coupling provides a secure, airtight seal between the furnace's secondary heat exchanger and the PVC vent piping, ensuring the safe induction of combustion air and the efficient removal of flue gases. Specifically engineered for 90+ AFUE furnaces, including the Carrier PG9MAA, PG9MXA, and PG9UAA series, this