Heavy-duty 40VA step-down control transformer for residential and light commercial HVAC systems. Converts 208-240V primary to 24V secondary, providing stable low-voltage power for thermostats, contactors, and furnace control boards. Direct OEM replacement for legacy Nordyne, Intertherm, and Miller models. High-grade copper windings and laminations minimize heat rise and vibration.
Nordyne 621709R Control Transformer 40VA 208-240V to 24V
Nordyne
$0.00
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- Fits brands
- Nordyne, Intertherm, Miller
- Replaces
- 620858, 622336, 622336R, 622762R
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Nordyne
Nordyne 621709R Control Transformer 40VA 208-240V to 24V
- SKU:
- 621709R
- Product Type:
- Control Transformer
- Subcategory:
- Step-Down Transformer
- Application:
- Residential/Commercial
- System Type:
- Furnace, Air Handler, Heat Pump, Split System
- Installation Type:
- OEM Replacement
- Voltage:
- 208-240V primary, 24V secondary
- Voltage Class:
- Line Voltage
- Phase:
- Single Phase
- Material:
- Copper Windings, Laminated Core
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