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120 to 277 Volts Line Voltage Thermostat for mast all brands of Heating/Cooling Fan Coils Temperatu

Price: $176.88 
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SKU: THE439M14A
(See Product Details Below for Manufacturers Part Numbers)
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T4039 Fan Coil Thermostat



Control line voltage valves of a fan coil unit in cooling, manual or automatic changeover heating-cooling systems.


Directly operate one or two valves.

Positive deadband separates heating and cooling circuits in automatic models.



Includes allen wrench for cover and mounting screws.







Product Specifications


Application Type 4-pipe fan coil, automatic heat-cool changeover

Changeover Automatic

Supply voltage (Vac and Hz) 120 to 277 Vac, 50, 60Hz

Electrical Ratings (Vac, A) Fan Switch: 120 Vac: 5.5 AFL, 33.0 ALR; 240 Vac: 2.75 AFL, 16.5 ALR; 277 Vac: 2.4 AFL, 14.4 ALR, Thermostat (Valve load): 120 Vac: 0.32 A Normal, 1.0 A Inrush; 240 Vac: 0.16 A Normal, 0.50 A Inrush; 277 Vac: 0.14 A Normal, 0.43 A Inrush

Setting Temperature Range (F) 55 F to 95 F, marked COOL-WARM

Setting Temperature Range (C) 13 C to 35 C, marked COOL-WARM

Switches (Fan) HI-MED-LO

Switches (System) ON-OFF

Approvals, Underwriters Laboratories, Inc. File No. E34436, Vol 2, dated 3-19-73; Guide No. XAPX

Color Tan

Differential Temperature (C) The differential from make of one contact to make of the opposite contact is 4 C maximum with a positive deadspot.

Differential Temperature (F) The differential from make of one contact to make of the opposite contact is 7 F maximum with a positive deadspot.

Dimensions (in.) 4 5/8 in. high, 4 15/16 in. wide, 1 5/16 in. deep.

Dimensions (mm) 118 mm high, 125 mm wide, 33 mm deep.

Display No
Humidity (% RH) 5% to 95% RH, non-condensing

Includes Allen wrench for cover and mounting screws

Mounting 4 in. square outlet box or 2-ganged outlet box

Description Fan Coil, Automatic heating-cooling

Approvals, Canadian Standards Association Certified






Manufacturer: HONEYWELL

Replaces Part Numbers: CART4039M1004, CAR2E858.

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I would like to thank you for your hard work in getting us our part in a timely fashion. You were very helpful and you understood the severity of the situation and did a wonderful job in getting the part to us. Thanks again and please share this with your boss! You were outstanding!"
Todd Mills

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