Honeywell AT72D1683/U Transformer 120V 40VA 50/60HZ 24V Honeywell 40 VA transformers power 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 Mounting: can be foot mounted, plate mounted on 4 x 4 in, 4 in octagon or 2 x 4 in electrical boxes (transformer all above plate or 3/4 above plate), or clamp mounted via a junction box knockout 24 VAC at 40 VA If you are not satisfied for any reason products may be returned within 30 days of shipment for a credit or exchange (provided the product is undamaged), except where noted, NOT RETURNABLE. Return documentation should clearly specify credit or exchange. Returned items must be in the original packaging. All returns must include a return authorization (RGA) number that can be obtained by contacting our Customer Service Department. Original shipping cost deducted. Reference to brand names and numbers are for reference only, and not meant to imply that they are made by that manufacturer (OEM). Sometimes images shown are generic and not meant to infer that they are actual. The parts will work as intended and are high quality and precision tested. Track Page Views With Auctiva's FREE Counter