AT72D1691 - 208/240 V AC Transformer with 9 in Leadwires
SKU: AT72D1691/U

AT72D1691 - 208/240 V AC Transformer with 9 in Leadwires
SKU: AT72D1691/U
Versatile Transformer
The AT72 Transformers are step-down transformers used primarily for powering 24 V ac control systems. They can be used in any 24 V ac application that does not exceed the transformer voltampere (VA) rating. The transformers are UL component recognized and CSA listed and meet NEC Class 2 not wet, Class 3 wet requirements as specified by NEMA Standard DC-20.
Product Overview
40 VA Transformers for 24V Systems including thermostats, gas valves and relays.
- Override protection
- Color-coded lead wires for primary connections
- Energy limiting and meets NEMA Standard DC20-1992
- Transformers are marked NEMA Type D enclosure
- Meets NEC Class 2 not wet, Class 3 wet and UL 1585 requirements
How to Get Started

1. Create a Pro Portal Account
INSTALLERS:
Check with your company admin to get an invite to your company's profile, then create your own account.
COMPANY ADMINS:
If your company does not have a Pro Portal yet, have your company admin sign up here.
Make sure you update your company information and simply upload your company logo.
2. Get the App
Simplify the installation for your technicians and homeowners. Download the App here.
Note: Resideo Pro App currently works with T5 & T6 smart Thermostats
3. Install
Use the Resideo Pro App to install T6 Pro Smart Thermostat in homes, which will associate those homes to your company. Then you'll be able to select which homeowners see your logo based on the pricing per household (consumer will not be charged).