Products tagged with 'central heating'

The Danfoss HPA2 (087N6579) is a robust 230 V, 2‑port spring‑return actuator with SPST auxiliary switch designed for H‑series motorised shoe valves. It features a manual override lever for filling, fast opening (≤ 35 s) and closing (≤ 20 s), and a voltage‑free SPST contact — ideal for controlling central heating or hot water flow in domestic or commercial systems.

The Altecnic Eres 22mm Straight Automatic Bypass Valve (ER-22MMSTRBI) helps maintain stable water flow and prevent pump over-pressurisation by opening automatically when system pressure rises. Designed for modern central heating systems, it features an adjustable differential setting and a durable brass construction. Its straight 22mm design allows quick installation while ensuring efficient system protection and consistent performance.

The Fernox Magnetic Scale Reducer 62302 is a WRAS-approved, in-line compression unit designed for 22mm pipework to protect boilers and appliances from scale buildup. Using powerful magnetic technology, this nickel-plated brass scale reducer requires no maintenance and offers up to 10 years of protection in hard water areas. Ideal for single appliance use.

The Fernox Electrolytic Scale Reducer 62552 offers whole house limescale protection using electrolytic technology. Designed for 22mm pipework, this maintenance-free, WRAS-approved unit alters hardness salts to prevent scale in boilers, kettles, and showers. Durable nickel-plated brass construction provides up to 10 years of reliable protection in hard water areas.

The Honeywell Home 10‑Way Junction Box (42002116‑002) is a robust ABS wiring centre designed for UK heating system installations. With ten clearly numbered terminals, accommodation for up to 15 A and 12 knock‑out entries for cable routing, this universal junction box ensures clean, safe S‑Plan and Y‑Plan wiring setups.

The Honeywell Home 2 Port Zone Valve 28 mm V4043H1106/U is a precision‑engineered motorised valve designed for domestic and light commercial heating systems. With a 28 mm compression connection, spring‑return action, auxiliary end switch to control boiler or pump circuits, and minimal power consumption for quieter operation, it’s the ideal upgrade to enhance system efficiency.

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 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.