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Nordyne 621709R Control Transformer 40VA 208-240V to 24V

Nordyne

$32.95

In Stock

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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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Ships same or next business day · UPS Ground, typically 1–5 business days.

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.