Honeywell

The Honeywell Home Sundial RF2 Pack 1 (Y9120H2009) delivers energy-efficient heating control with TPI (Time Proportional & Integral) technology, compliant with Boiler Plus regulations. Featuring 2-way wireless connectivity at 868 MHz with a 30 m range, pre-bound from the factory for easy setup. Operates between 0–40°C, IP30 rated, and includes ST9120C powered by 230V AC and DT92E with 2×AA batteries. Supports wireless enable upgrades and comes with a 5-year warranty.

The Honeywell Valencia VTL120‑10A 10mm Angled TRV & Lockshield Pack combines a precision 10mm angled thermostatic radiator valve with matching lockshield, designed for modern UK heating systems. Its liquid sensor ensures consistent temperature control, the bi‑directional flow body suits horizontal or vertical installations, and the energy‑saving setting helps reduce heating bills.

The Honeywell Low‑Limit Pipe Thermostat L641B1004 is a compact, surface‑mounted thermostat designed for pumped central‑heating systems, offering a temperature range of approx. 10 °C–40 °C to protect pipework against under‑heating or frost. Its bi‑metal strip sensor and tamper‑proof adjustment make it a reliable choice for installers needing effective low‑limit control.

The Honeywell Home 22 mm 3‑Port Diverter Valve (V4044C1288/U) is a high‑quality motorised valve designed for domestic fully‑pumped central heating systems. Its 22 mm compression connections, two‑position operation and spring‑return mechanism allow seamless switching between heating and hot‑water services for enhanced system flexibility and reliability.

The Honeywell Home High Limit Pipe Thermostat (L641B1012) is a robust surface‑contact pipe thermostat designed for pumped central‑heating systems. Featuring a bi‑metal strip sensor and a tamper‑proof adjustment option, it functions as a high‑limit safeguard for water temperature control in boiler loops and cylinder circuits.

The Honeywell Home Actuator for V4073A (stock code 117053 / manufacturer’s 40003916‑003/U) is a direct‑replacement motorised actuator designed for use with Honeywell V4073A mid‑position three‑port valves. It provides smooth operation, quiet performance and a hassle‑free installation - ideal for trade professionals and maintenance tasks requiring a quick repair without draining down the system.

The Honeywell Valencia VTL120‑15A TRV + LS 15mm Angled pack combines a premium 15mm angled thermostatic radiator valve and matching lockshield from Honeywell. Designed for easy, flexible installation with bi‑directional flow and integrated balancing insert, it delivers precise room‑by‑room temperature control and enhances heating system efficiency.

The Honeywell Home Actuator for V4043H (40003916‑001/U) is a genuine replacement powerhead designed to fit the V4043H series two‑port motorised zone valves. Compatible with UK 230 V systems, it features a manual lever, spring‑return mechanism and quick‑swap fitment without full system drainage — ideal for fast, professional repairs.

The Honeywell Home Sundial Wiring Centre 42005748‑001 is a dedicated junction box designed for domestic central‑heating control systems. With 37 clearly labelled single‑wire terminals, a fire‑retardant PC‑ABS enclosure and support for S‑Plan, Y‑Plan and C‑Plan configurations, it streamlines installations and helps reduce wiring errors.

The Honeywell Home DU145‑3/4B 22 mm Differential Bypass Valve ensures consistent boiler flow and stable system pressure by automatically regulating differential pressure in heating circuits. With 22 mm compression connections, a wide differential pressure range (0.1‑0.6 bar) and high flow capacity, it is ideal for modern central heating systems requiring reliable bypass control.

The Honeywell Home DU144 22 mm Straight Auto Bypass Valve (DU144A1001) is a robust automatic bypass valve designed to ensure minimum boiler flow, maintain pressure balance and reduce noise in closed‑loop heating systems. With 22mm compression fittings, wide differential pressure range (0.1–0.6 bar) and brass construction, it offers a professional solution for energy‑efficient central heating installations.

The Honeywell Home T6R‑HW Wireless Smart Hot Water Control (Y6H920RW4026) delivers intelligent remote management of both heating and stored hot water systems. With WiFi connectivity, app and voice‑assistant support, separate hot‑water scheduling and geofencing‑enabled comfort, it’s designed to boost efficiency and simplify everyday use.

The Honeywell Home DT40WT20 Wired Room Thermostat is a white‑finish, wall‑mounted thermostat offering simple on/off control for domestic heating systems, compatible with 24‑230 V boilers and heat pumps. Its slim profile, easy‑read LED display and built‑in eco mode make it a reliable choice for both traditional and modern UK homes.

The Honeywell Valencia VTL120‑15S 15 mm Straight TRV + Lockshield Pack offers a powerful solution for radiator temperature regulation in one compact pack. Featuring a 15 mm straight body, integrated balance insert and Honeywell reliability, this TRV & lockshield set enhances room-by-room comfort and contributes to reduced heating bills by allowing precise radiator control.

The Honeywell Valencia VHL120‑15A‑DP Manual Valve & Lockshield is a premium 15 mm angled radiator valve set from the Valencia range, combining a manual on/off valve for local room control and a matching lockshield for balancing flow. Designed for UK heating installations, it features a durable brass body, angled orientation for snug radiator connections and includes drain‑off tail for easy maintenance.

The Honeywell Valencia VTL120‑15A‑DP 15 mm Angled TRV & Lockshield Pack combines a precision 15 mm angled thermostatic radiator valve with a matching lockshield, designed for modern two‑pipe central heating systems. With a bidirectional flow body, built‑in radiator balancing insert and frost‑setting capability, it delivers reliable room control and increased energy efficiency in one trade‑ready pack.

The Honeywell Valencia VTL120 15mm Angled TRV & Lockshield Pack offers precise room‑by‑room heating control for modern homes. With its 15 mm angled design it fits seamlessly into existing radiator installations, incorporates a liquid sensor for stability, an energy‑saving setting to reduce heating bills, and a bi‑directional flow body for flexible installation.

*DISCONTINUED - New model - Honeywell DT4 Room Thermostat Wired On/Off White DT40WT20*

The Honeywell DT90 Digital Stat DT90E1012 offers advanced temperature control for your heating system with its energy-efficient, easy-to-use digital interface. Designed for both residential and commercial applications, this thermostat provides precise and reliable temperature management to enhance comfort and save energy.

The Honeywell Home R200C‑1 CO Alarm is a high‑quality stand‑alone carbon monoxide detector featuring a sealed 10‑year lithium battery and 10‑year sensor life. With a slim profile, clear alarm text for the hearing‑impaired, 48‑hour alarm memory and IP44 splash protection, it’s an easy‑to‑install, low‑maintenance solution for home safety.

The EPH Controls D1PF is a reliable replacement actuator with a detachable power cable, compatible with EPH B322P, B328P, and Honeywell V407 valves. Designed for easy installation and seamless operation, it ensures efficient control of domestic and commercial heating systems.

The Honeywell Home V4043H1080/U 1″ 2‑Port Motorised Zone Valve is a premium 1 inch (28 mm equivalent) motorised valve engineered for domestic and light commercial heating systems. Featuring a spring‑return action, manual lever for system filling/draining, and replaceable power‑head without draining the system, it ensures quiet, efficient flow control and simple maintenance.

The Honeywell V04044C 1569 3 Port Diverter Valve 28mm is designed for efficient control of water flow in your heating system. This durable valve features a reliable diverter mechanism that allows seamless switching between different heating circuits. Ideal for residential and commercial applications, it ensures smooth operation and easy installation.

The Honeywell Home T3 Wired Thermostat (T3H110A0066) offers precise, reliable control of central heating systems for both residential and commercial applications. Designed for wired installations, it provides easy programming and energy-efficient temperature management, helping to maintain comfort while reducing energy costs. Ideal for professional installers and DIY enthusiasts, this thermostat ensures long-lasting performance and dependable heating control.

The Honeywell Home 22 mm Compression Fittings D04FM‑3/4ZGC deliver dependable performance with a 22 mm compression connection size, compact brass construction and balanced seat design that maintains constant outlet pressure even with fluctuating supply. Ideal for professional plumbing systems where accuracy and reliability matter.

The Honeywell Home T3R Wireless Thermostat (Y3H710RF0053) offers convenient, remote-controlled heating management for homes and small offices. Its wireless design allows flexible placement, while advanced scheduling and energy-saving features help reduce heating costs. Compatible with most central heating systems, this reliable thermostat ensures consistent comfort and easy operation for modern smart heating setups.

The Honeywell Home T4R Wireless 5/2‑Day Programmable Thermostat (Stock Code: 117021, Manufacturer’s Code: Y4H910RF4003) is a modern wireless room thermostat designed for UK homes. With 5/2‑day programming, intuitive text display, frost protection and compatibility with 24‑230 V on/off boilers and zone valves, it delivers smart, flexible heating control.

The Honeywell Home T6360B1028 Room Thermostat is a mains‑voltage room thermostat designed for domestic wet central heating systems, offering accurate temperature control with a dual diaphragm sensor, heat anticipator and mounting options for surface or conduit box installation.

The Honeywell Home T4H110A1021 is a wired wall‑mounted thermostat that delivers precise time and temperature control for domestic heating systems. Compatible with 24‑230 V on/off boilers and zone valves, it supports 5‑2‑day (and 7‑day) scheduling, has intuitive programming, frost‑protection and a large backlit display - ideal for UK homes seeking dependable, energy‑efficient heating control.

The Honeywell Home T4360A1009 Frost Stat is a mains‑voltage frost thermostat designed to safeguard boilers, pipework and the building fabric against frost damage. With a fixed 3–20 °C set‑point range, dual‑diaphragm sensing and a tamper‑resistant cover, it’s perfect for cold spaces like lofts, garages or floor voids.

The Honeywell Home ST9400C1000 7‑Day 2‑Channel Programmer is a wired programmer offering independent control of both heating and stored hot water systems. With up to three on/off events per day, separate programmes for each channel, a large backlit Line‑of‑Text (LoT™) display for intuitive setup and automatic summer/winter time change, this unit delivers reliable scheduling and simplicity for UK installations.