Honeywell TH1100DV1000/U PRO 1...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$115.11
$65.11
Honeywell TH1100DV1000/U PRO 1000 Vertical Non-Programmable Thermostats

Honeywell TH1100DV1000/U PRO 1000 Vertical Non-Programmable Thermostats

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Model: TH1100DV1000/U
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$115.11
$65.11
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Manufacturer Resources

Product Specs

Application:
Heat Only
Changeover:
Manual
Cycles Per Hour:
Heating 2-6 CPH
Dimensions In :
4 11/16 in. High X 2 7/8 in. Wide X 1 1/8 in. Deep
Dimensions Mm :
120 mm high x 74 mm wide x 28 mm deep
Display Size:
1.32 sq in.
Electrical Ratings:
20 to 30 Vac or 750 mV
Frequency:
50 Hz,60 Hz
Heat Current:
0.02 A to 1.0 A running
Item Type:
Product
Mounting Method:
Vertical
Operating Humidity Range Rh :
5 to 90% RH, non-condensing
Power Method:
Dual Powered: Battery or Hardwire
Product Color:
Premier White®
Setting Temperature Range C :
Selectable Heat 4.5 C to 32 or 1.5 C to 32 C
Setting Temperature Range F :
Selectable Heat: 40 F to 90 F or 35 F to 90 F
Stages:
1 Heat
Switch Positions System :
HEAT-OFF
Terminal Designations:
R, C, W,

Honeywell TH1100DV1000/U – Frequently Asked Questions

1) Will the Honeywell PRO 1000 TH1100DV1000/U work with a heat pump or an air conditioner?
No. The TH1100DV1000/U is a heat-only thermostat, single stage, with a HEAT-OFF system switch and only R, C and W terminals. There is no Y terminal for cooling and no O/B terminal for a heat pump reversing valve. If the system has air conditioning or is a heat pump, this is the wrong control.
2) Can the PRO 1000 TH1100DV1000/U run a millivolt system like a gas fireplace or wall heater?
Yes. It is rated 20 to 30 Vac or 750 mV, so it handles both standard low-voltage 24V heating and 750 millivolt self-generating systems. Heat current range is 0.02 A to 1.0 A running, which is what lets it switch a millivolt gas valve as well as a 24V relay.
3) Does the Honeywell TH1100DV1000/U need a C wire?
Not necessarily. It is dual powered, so it will run on batteries or on hardwired 24V power through the C terminal. On a millivolt system or a two-wire heat-only hookup where no common is available, run it on batteries; where a common is present, land it on C and it runs hardwired.
4) How low can the setpoint go on the Honeywell PRO 1000 for a vacant unit or a freeze-protection setting?
The heat range is selectable: 40 F to 90 F, or 35 F to 90 F (4.5 C to 32 C or 1.5 C to 32 C). Choose the 35 F range when you need a low freeze-protect setpoint in a vacant apartment, seasonal building or unheated space. The 40 F range is the one to pick if you want to stop tenants setting it down that far.
5) Will the vertical PRO 1000 cover the marks left by the old thermostat?
The TH1100DV1000/U measures 4-11/16 in. high x 2-7/8 in. wide x 1-1/8 in. deep (120 x 74 x 28 mm), and it is a vertical-mount body, taller than it is wide. Replacing a wide horizontal thermostat with this one will likely leave paint shadow on either side, so plan on a wall plate or touch-up in occupied units.
6) Can I adjust the cycle rate on the TH1100DV1000/U for a boiler or a hot water baseboard?
Yes, heating cycle rate is adjustable from 2 to 6 cycles per hour. Slower settings suit high-mass systems like hot water baseboard and radiant; faster rates suit forced air. Getting this right is the difference between even room temperature and a system that short cycles.
7) Is the PRO 1000 TH1100DV1000/U programmable, and is that a problem for rental units?
It is non-programmable, manual changeover, with a simple HEAT-OFF switch and a 1.32 sq in. display. For rentals, seasonal cabins and common areas that is usually an advantage: nothing for a tenant to misprogram, no schedule to get lost when the batteries are changed, and a maintenance tech can swap one in without setup.
8) Can this Honeywell thermostat be installed in a damp space like a basement, garage or laundry room?
The TH1100DV1000/U is rated for 5 to 90% RH, non-condensing. That covers a normal basement, utility room or garage, but not a location where moisture actually condenses on surfaces, such as directly over a laundry tub, in an unconditioned crawlspace, or in a greenhouse.
9) Does the TH1100DV1000/U work on 50 Hz power for an export or non-US job?
Yes, it is rated for both 50 Hz and 60 Hz at 20 to 30 Vac, so it will work on 50 Hz control power as well as standard North American 60 Hz.
10) What color is the Honeywell PRO 1000 vertical thermostat, and will it match the rest of my building?
Premier White, which is Honeywell's standard thermostat white across the PRO line, so it will match other Honeywell units already on the walls. There is one model on offer here, TH1100DV1000/U, in that single color.
How fast can I get the Honeywell TH1100DV1000/U delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Honeywell TH1100DV1000/U come with a warranty?
Absolutely. The Honeywell TH1100DV1000/U is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Honeywell TH1100DV1000/U?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Honeywell TH1100DV1000/U from ZenSupply?
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