This insulated base door serves as a direct drop-in for worn or degraded factory panels

12" WC to match the exact static pressure requirements of the CGi-5 boiler combustion circuit

the PAR-U01MEDU-K acts as the interface for humidity setpoint adjustments and monitoring

it is best practice to use this specific Armstrong OEM part to ensure the internal timing logic matches the furnace’s CFM and heat rise requirements

Advanced Distributor Products 176795002 O-Rings 320720-756 This insulated base door servesThe Advanced Distributor Products 176795002 O Rings are high performance HVAC sealing components engineered for precision and durability within residential and commercial evaporator coil systems. Manufactured by ADP, these Teflon O rings (PTFE) are specifically designed to provide a high integrity, leak proof seal in refrigerant lines and expansion valve assemblies. Unlike standard rubber seals, these PTFE evaporator coil seals feature superior