Honeywell

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 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 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 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 ST9100C1006 7‑Day Programmer is a reliable single‑channel time switch designed to manage your central heating zone or combi boiler. With up to three on/off periods per day, a large backlit “Line of Text” display, automatic summer/winter time change and non‑volatile memory that keeps your settings, it’s an ideal upgrade for better comfort and energy efficiency.

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 CM707 Programmable Room Stat 7 day is an easy-to-use programmable thermostat that allows you to set different temperatures for different times of the day and days of the week. This can help you to save energy and money on your heating bills. The CM707 is also compatible with most boilers and heating systems.

The Honeywell Home 22 mm 2‑Port Zone Valve (V4043H1056/U) is a high‑quality motorised valve designed for domestic heating systems. With 22 mm compression connections, spring‑return action, manual lever for filling/draining and an auxiliary end switch for boiler or pump control, it offers dependable performance and minimal power consumption.

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.

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.