What is the flow capacity for the EK417S drier

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

and SDH series units

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

ensure your sequence of operation matches the pneumatic logic of the controller for proper damper positioning

Advanced Distributor Products 176795002 O-Rings 320720-756 What is the flow capacityThe 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