The ZD20X8TZ serves as a high-efficiency direct replacement for ND-RSD-20X8-NO and the older ZDS-20X8 models

Always verify the furnace limit switch location and part number against the manufacturer’s parts manual

Maintenance Ease: Removable motor head enables quick replacement or repair without the need to purge or drain the entire hydronic zone

this specific model is wound for 120Vac operation

Durable Construction: Lightweight yet rigid build resists deflection at peak operating speeds

Nordyne M0090918R Motor Refrigerant The ZD20X8TZ serves as aThe Nordyne M0090918R is a heavy duty, 3 4 HP condenser fan motor engineered for high performance heat pump and air conditioning applications. Operating at 208 230V, 1 phase, and a rated speed of 1050 RPM, this PSC motor provides the high torque and thermal stability required for demanding residential and light commercial HVAC systems. As an OEM replacement part, the M0090918R is the designated direct replacement for M0023906, ensuring exact physical