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Honeywell Home DT4R Grey OpenTherm Room Thermostat and Wireless Receiver

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SKU YT43MRFGT31
Save 17% Save 17%
Original price £112.78
Original price £112.78 - Original price £112.78
Original price £112.78
Current price £93.98
£93.98 - £93.98
Current price £93.98

Free Local Shipping

Free Local Shipping on orders over £100. Standard delivery to most UK postcodes within 1-2 working days. Express options available at checkout for more information, see here

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Give Us A Call +44 118 958 8882 Our team is here to help. We will provide expert advice on specifications, compatibility, and delivery options.

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30 days Easy Return — no questions asked. If you're not completely satisfied, send it back within 14 days for a full refund.

The Honeywell Home DT4R Grey OpenTherm Wireless Room Thermostat and Receiver (YT43MRFGT31) provides convenient room temperature control for compatible domestic heating systems in homes and apartments. Combining a slim, modern grey design with simple operation, it features a large, clear LED segment display and an easy-to-use wake-up button.

Designed to support energy-efficient heating solutions, this DT4R OpenTherm model is compatible with OpenTherm appliances and is suitable for applications involving heat pumps, heating zones, underfloor heating and cooling devices, and zone valve systems, subject to system compatibility.

Honeywell Home DT4R Range OpenTherm Wireless Control Grey Finish Thermostat and Receiver

Key Features & Benefits

1. OpenTherm Heating Control

Designed to support OpenTherm-compatible appliances, providing room temperature control for suitable heating systems.

2. Wireless Thermostat and Receiver Kit

Supplied as a thermostat and wireless receiver combination, providing a wireless control solution for compatible heating installations.

3. Contemporary Grey Design

The slim thermostat profile and modern grey finish provide a neat appearance that suits a range of home and apartment interiors.

4. Clear LED Segment Display

The large, clear LED segment display makes temperature information easy to view, while the wake-up button provides convenient access to the display.

5. Supports Energy-Efficient Heating Solutions

Designed for compatible hybrid and greener energy systems, including heat pumps, heating zones and underfloor heating and cooling applications.

6. Suitable for Zone Valve Applications

Supports compatible zone valve applications, helping integrate room temperature control into suitable heating system configurations.

Applications and Compatibility

The Honeywell Home DT4R Grey OpenTherm thermostat and receiver kit is intended for compatible heating appliances and applications, including:

  • OpenTherm-compatible heating appliances.
  • Compatible domestic heating systems in homes and apartments.
  • Suitable heat pump installations.
  • Heating zoning applications.
  • Compatible underfloor heating and cooling devices.
  • Suitable zone valve applications.
Important Compatibility Information

This product supports OpenTherm appliances. It is not intended for direct control of 240V electric heating circuits. Check the appliance and control-system compatibility before ordering.

Technical Specifications

Manufacturer Honeywell Home by Resideo
Product Range DT4
Model DT4R Grey OpenTherm
Manufacturer Part Number YT43MRFGT31
SKU 46416
EAN / GTIN 5059085002718
Product Type Wireless Room Thermostat and Receiver
Colour Grey
Control Type Wireless OpenTherm
Display LED Segment Display
Compatible Appliances OpenTherm-compatible appliances
Applications Heat pumps, zoning, underfloor heating and cooling, zone valves
Gross Weight Not supplied (supplier feed lists 0 kg)
Warranty 2 years, subject to manufacturer's terms and conditions
Receiver Included Yes – receiver included

Frequently Asked Questions

Does the Honeywell Home DT4R Grey OpenTherm come with a receiver?

Yes. The YT43MRFGT31 is supplied as a wireless room thermostat and receiver kit, unlike the DT4R spare thermostat-only models.

Does this thermostat support OpenTherm?

Yes. This DT4R model is specified for use with OpenTherm-compatible appliances.

Which heating systems can it support?

It is designed for compatible OpenTherm appliances and suitable applications involving heat pumps, zoning, underfloor heating and cooling devices, and zone valves. Confirm compatibility with your specific heating system before ordering.

Can this thermostat directly control 240V electric heating?

No. The supplied product information states that it is not suitable for direct control of 240V electric heating circuits.

What is the warranty?

The supplier lists a 2-year warranty, subject to the manufacturer's terms and conditions.

Order Honeywell Home DT4R Grey OpenTherm Thermostat from GetPlumb

Choose the Honeywell Home DT4R Grey OpenTherm Wireless Room Thermostat and Receiver YT43MRFGT31 for compatible heating control installations. Its modern grey finish, clear LED display and OpenTherm support make it a practical choice for suitable domestic heating systems.

Order Now from GetPlumb for your heating control requirements.

At GetPlumb, we strive to provide reliable and cost-effective delivery options to our customers. Please review our shipping policy below.

🆓 Free Local Delivery (Orders £100 & above)

We offer FREE delivery on orders £100 or more
for selected local areas.

Eligible Postcodes Include:

  • RG*
  • SL*
  • OX10*, OX11*, OX49*
  • HP1*, HP3*, HP8*, HP9*, HP10*, HP11*, HP12*, HP13*, HP14*
  • WD*, HA*, UB*, TW*, KT*
  • W1* – W9*
  • NW*, SW*

Delivery Time: 2–4 working days

Shipping Cost: £0.00

📦 Standard Shipping (Weight-Based Rates)

For orders that do not qualify for free delivery, standard
shipping rates apply based on total cart weight.

  • For cart weight between 0–2 kg, the shipping cost is £4.50 with a delivery time of 2–4 working days.
  • For cart weight between 2–24 kg, the shipping cost is £9.99 with a delivery time of 2–4 working days.
  • For cart weight between 24 kg and above, the shipping cost is £60 with a delivery time of 2–4 working days.

🧱 Block Salt (Harvey’s) – Unit-Based Shipping

This rate applies only to Harvey’s block salt products.

  • £7.99 is charged for every 3 items.
  • The charge increases by £7.99 for each additional set of 3 items.

Examples:

  • 1–3 items → £7.99
  • 4–6 items → £15.98
  • 7–9 items → £23.97

Delivery Time: 2–4 working days

📏 Large / Long Items (Length-Based Shipping)

For oversized items where the product length is 1.5 metres or more:

Conditions:

  • Product length ≥ 1.5 m
  • Cart weight ≤ 40 kg

Shipping Cost: £18.00 (flat rate)

Delivery Time: 2–4 working days

Collection from Store

Customers can also choose to collect their order from our store in
Reading, UK, at no additional charge. For any questions regarding shipping, please contact our support team at online@getplumb.co.uk.

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