Honeywell T4 RPT has various anti cycle modes, which in one of my installations is proving most useful. I expect it to greatly extend the life of the related Honeywell V4045? zone valve, which was cycled to failure twice by the previous RPT, without these features. Compatible with 24–230v on/off, OpenTherm appliances such as gas boilers Combi boilers and heat pump Suitable for use as a room temperature thermostat for S&Y Plan systems or for additional zones in an S Plan Plus system

Honeywell Thermostats of 2023 - FindThisBest (UK) The 10 Best Honeywell Thermostats of 2023 - FindThisBest (UK)

The Honeywell Home T4/T4M/T4R are designed to provide automatic time and temperature control of heating in domestic or light commercial premises. day, 5/2 day or single day scheduling with a choice of 4 or 6 independent temperature settings, giving customers a schedule to suit their needs lt;li>7 day, 5/2 day or single day scheduling with a choice of 4 or 6 independent temperature settings, giving customers a schedule to suit their needs</li>

Allows you to set different temperatures at various times of the day on different days of the week. lt;p>The Honeywell T4 7 Day Wired Programmable Thermostat brings effortless temperature control by simplifying temperature scheduling through automation and user-friendly features. It maximises energy efficiency through automated scheduling and streamlines the installation process by offering standardised fitting, plus it works with any system and any boiler.</p> Warranty: All our spares have a full 12 month warranty. Purchasing a Honeywell HONEYWELL T4H110A1021 T4 WIRED PROGRAMMABLE THERMOSTAT part number T4H110A1021 couldn't be easier with Next day delivery option on all Honeywell spares. lt;li>Universal wall plate, with easy wire path to connections and a clip-on cover to the fixed wall plate, simplifies installation and improves cost-efficiency</li> Thermostats are an essential part of any heating or cooling system, allowing you to regulate the temperature of your home or workplace with ease. Honeywell is a well-known brand in the industry, offering a range of thermostats to suit different needs and preferences. Their thermostats are designed to be user-friendly, with clear displays and intuitive controls. They also offer a range of features, such as programmable schedules and remote access, to help you save energy and improve comfort. Whether you're looking for a basic thermostat or a more advanced model, Honeywell has a solution for you.

Honeywell T4 Wired Programmable Thermostat (T4H110A1021) Honeywell T4 Wired Programmable Thermostat (T4H110A1021)

This thermostat is well designed and easy to use and fit.It has been operating perfectly for months now and is a joy to use.

The Honeywell Home T4/T4M/T4R are designed to provide automatic time and temperature control of heating systems in homes and apartments

Honeywell T4 7 Day Wired Thermostat - T4H110A1021 - Trading Depot

OFF position has an integral frost protection setting at minimum 5 C so that pipes in the house will never freeze lt;li>Suitable for use as a room temperature thermostat for S&Y Plan systems or for additional zones in an S Plan Plus system</li> Honeywell HomeT4 wired adjustable programmable thermostat uses standard thermostat fittings and connections, offering installers an easy, inexpensive choice when it comes to replacing an old thermostat. T4 wired thermostat brings effortless temperature control by simplifying temperature scheduling through automation and user-friendly features. It maximises energy efficiency through automated scheduling and streamlines the installation process by offering standardised fitting, plus it works with any system and any boiler. lt;li>Away mode temperature setting with the flexibility to change the number of days</li>

Energy & commercial

The Honeywell T4 7 Day Wired Programmable Thermostat brings effortless temperature control by simplifying temperature scheduling through automation and user-friendly features. It maximises energy efficiency through automated scheduling and streamlines the installation process by offering standardised fitting, plus it works with any system and any boiler. Key Features Honeywell T4H110A1021 HONEYWELL T4H110A1021 T4 WIRED PROGRAMMABLE THERMOSTAT. The Heatxchange are suppliers of GENUINE Honeywell parts and spares.