Resideo - Honeywell Home AT72D1048 TransformerResideo's Honeywell Home AT72D1048 transformer delivers a reliable 40 VA step down from 120V to 24V, ideal for powering 24V HVAC control circuits in residential panels. This panel mount transformer is compact, easy to install, and designed to fit standard electrical enclosures, helping keep wiring simple and organized. Built for dependable operation across heating and cooling seasons, it provides consistent voltage to thermostats, relays, and control

making it ideal for service professionals and multi-unit installations

Precise M4 fitting for secure

insulation depth 1-1/2"

The white overlay grille delivers a sleek

and V5011f1121

ready-to-use installation

This low-voltage thermostat runs on 24V AC with a relay switch for reliable room comfort and precise electric heating control

3/4" stem travel

Media: Hot/Chilled water

converting the mains 120V supply to a safe 24V for the control circuit

long-term accuracy even in fluctuating conditions

Motorized Zone Valve for hydronic systems delivers precise control for heating and cooling zones