Explore the full range of Honeywell products on Plumbco, featuring high-quality thermostats, zone valves, TRVs, programmers, and heating controls. Perfect for modern UK central heating systems, Honeywell products provide reliable performance, energy efficiency, and easy installation for both domestic and commercial projects.
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 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 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 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 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.
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 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 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.
*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 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.