Amazon.com: Honeywell AT72D1683 120V/24V Transformer: Home Improvement
24V control circuit stepdown transformer. 40VA, 26.5V secondary terminal screws, 4'' x 4'' plate mounted, 9'' primary leadwires. 120V primary, multi mount: plate mount, foot mount, knockout mount. UL listed. From the Manufacturer 24V control circuit step-...