Skip to main content
Most in-stock orders ship same or next business day · 16,700+ parts from 100+ brands Email quotes@globalpartsupply.com

Resideo AT20B1056 120/24V 20VA Transformer 7" Leads

Resideo

$38.95

In Stock

Write a Review
SKU:
AT20B1056
Adding to cart… The item has been added

30-day returns on most unused, uninstalled parts Secure checkout with cards, PayPal or Google Pay Questions? quotes@globalpartsupply.com

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

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

Specifications

Product Type:
Control Transformer
Subcategory:
Step-Down Transformer
Application:
Residential/Commercial
System Type:
Furnace, Air Handler, Heat Pump, Package Unit
Installation Type:
OEM Replacement
Voltage:
120/24V
Voltage Class:
Line Voltage
Phase:
Single Phase
Mounting Type:
Conduit Nipple
Connection Type:
Screw/Quick Connect
Ambient Temperature:
-20°F to 105°F
Input Voltage:
120V AC
Certifications:
UL Recognized, CSA
Resideo AT20B1056 is a 120/24V 20VA step-down transformer designed for HVAC control systems. Features conduit nipple mounting, 7-inch leads with screw and quick-connect terminals for flexible installation in furnaces, air handlers, and heat pump systems.