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    Heating & Hot Water

    Explore Plumbco's Heating & Hot Water category for a comprehensive range of solutions. From top-quality boilers and cylinders to controls, valves, and water treatment products, we have everything you need for efficient and reliable home heating and hot water systems. Discover our selection of flues, accessories, and vessels designed to meet your specific needs.

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    Honeywell Valencia Classic Angled Thermostatic Radiator Valve 15mm VT200-15A

    Honeywell Valencia VT200‑15A 15 mm Angled TRV

    VT200-15A
    The Honeywell Valencia VT200‑15A 15 mm Angled TRV is a premium thermostatic radiator valve designed for modern UK heating systems. With its 15 mm angled body, bidirectional flow design and integrated radiator balancing insert, it enables precise room‑by‑room temperature control and efficient energy usage.
    £26.79 incl tax
    117418

    Honeywell VTL120-15A White & Chrome Angled TRV & Lockshield 15mm

    117418
    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.
    £23.63 incl tax
    Honeywell Angled Thermostatic Radiator Valve 15mm VT15EG

    Honeywell VT15‑EG 15 mm Angled TRV

    VT15EG
    The Honeywell VT15‑EG 15 mm Angled TRV is a precision thermostatic radiator valve designed to regulate individual radiator output in wet central‑heating systems. Featuring a 15 mm angled body, reversible flow, frost‑setting, and easy‑grip head, this valve delivers enhanced comfort and efficiency from one trusted product.
    £20.12 incl tax
    VT117-15A

    Honeywell Valencia Traditional Angled Thermostatic Radiator Valve 15mm

    VT117-15A
    The Honeywell Valencia VT117‑15A 15 mm Angled TRV is a premium thermostatic radiator valve engineered for precise room‑by‑room heating control. Featuring a 15 mm angled body, bi‑directional flow for flexible installation, integrated radiator balancing insert and an easy‑grip head with energy‑saving setting, this valve helps enhance comfort while reducing energy use.
    £29.50 incl tax
    Honeywell 3 Port Valve 22mm V4073A1039

    Honeywell V4073A1039 22 mm Mid‑Position Valve

    V4073A1039
    The Honeywell V4073A1039 Mid‑Position Valve is a 22 mm compression three‑port motorised valve designed for conventional pumped central‑heating systems. It features a manual lever for filling/down‑filling, spring‑return operation, and a replaceable powerhead without system drainage, making it a reliable choice for installers seeking efficient flow‑diversion in Y‑Plan or S‑Plan configurations.
    £140.01 incl tax
    Y4H910RF4003

    Honeywell T4R 7 Day Wireless Programmable Thermostat

    Y4H910RF4003
    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.
    £127.39 incl tax
    Honeywell T4 Wired Programmable Thermostat T4H110A1021

    Honeywell T4 Wired Programmable Thermostat T4H110A1021

    T4H110A1021
    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.
    £94.85 incl tax
    117091

    Honeywell Sundial RF2 Pack 1 Y9120H2009

    117091
    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.
    £214.35 incl tax
    ST9400C1000

    Honeywell ST9400C1000 7 Day 2 Channel Programmer

    ST9400C1000
    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.
    £118.43 incl tax
    Honeywell R200C-1 Carbon Monoxide (CO) Alarm

    Honeywell R200C-1 Carbon Monoxide (CO) Alarm

    R200C-1(5)
    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.
    £32.62 incl tax
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