certain Marley configurations offer tamper-resistant options for public or high-traffic commercial spaces

and large air handling units requiring 1HP of power

or water heater cabinets to reach the pilot assembly

providing the reliable data required for critical system charging and diagnostics

Common Questions: Can I replace just the module instead of the whole motor

Lennox 15D60 Fan Relay 320819-301 certain Marley configurations offer tamper-resistantThe Lennox 15D60 Fan Relay is a critical OEM electrical control component engineered for heavy duty fan cycles in Lennox air handlers and condensing units. Operating on a 208 240V AC coil (50 60 Hz), this HVAC control relay is the direct performance replacement for Lennox 104774 01 and the legacy 76700525. Designed for continuous duty, it features a UL Class B (130C) coil insulation rating, ensuring stability in high ambient control cabinets where