the 383-500-020 is specifically designed for Weil McLain Ultra Series 1 and Series 2 units

High Flow Capacity: Straight-thru flow design minimizes pressure drop and accommodates the high BTU demands of modern gas-fired appliances

Common Questions: What is the maximum operating pressure for this specific Armstrong trap

accommodating 7/8" ODF sweat or 1-1/8" ODM inlet and outlet connections

Can the actuator be replaced or upgraded in the field

Nordyne 669856R Drain Pan 320819-301 the 383-500-020 is specifically designedThe Nordyne 669856R Horizontal Drain Pan is a critical OEM replacement part designed for effective condensate management in specific Miller, Intertherm, and Nordyne air handler and evaporator coil assemblies. Built to withstand the high heat environment of a furnace plenum, this horizontal condensate pan is constructed from a reinforced composite material that resists cracking and thermal warping better than standard aftermarket alternatives.