Skip to main content
Same-day dropship shipping on 13,900+ parts from 100+ brands Email quotes@globalpartsupply.com

Resideo AT20A1123 Transformer 20VA 120V-24V Panel Mount

Resideo

$47.95

In Stock

(No reviews yet) Write a Review
SKU:
AT20A1123
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:
120V input, 24V output
Voltage Class:
Low Voltage
Phase:
Single Phase
Mounting Type:
Panel Mount
Fuel Type:
Electric
Switch Action:
DPST N.O.
Adding to cart… The item has been added

Flat-rate shipping. The same price to anywhere in the 50 states.

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

20VA step-down transformer converts 120V AC input to 24V AC output for HVAC control systems. Panel-mount design with DPST N.O. contacts. Suitable for residential and light commercial heating and cooling applications requiring low-voltage control power.