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Vaillant Boilers in Kingston & KT/TW

Vaillant is the boiler engineers keep in their own homes — a German-engineered brand loved for quiet operation, easy servicing and long-term reliability. We install, repair and service the full Vaillant range across Kingston, Surbiton, Twickenham, Richmond and the wider KT and TW postcodes.

Our engineers work daily on ecoTEC Plus, ecoTEC Pro and the premium ecoTEC Exclusive, plus Vaillant's own vSMART and sensoCOMFORT controls. Every install is completed to Vaillant Advance standard with the full manufacturer warranty registered on your behalf.

Vaillant models we install

ecoTEC Plus — the engineer's favourite combi and system boiler, with a 10-year warranty as standard when fitted by a Vaillant Advance installer. Suits most KT/TW family homes.

ecoTEC Pro — a lower-cost combi for flats and smaller properties, still built to Vaillant's high manufacturing standards.

ecoTEC Exclusive — premium combi with modulating output, colour display and long service intervals. Ideal for higher-end installations in Cobham, Weybridge and Richmond.

ecoFIT Pure — Vaillant's compact combi built for straight swap-outs in tight kitchen or airing-cupboard installations.

Vaillant repair — faults we see most in KT/TW

F.22 low-water-pressure faults — usually a leak, a failed expansion vessel or a slow drop over months. We locate and repair, then repressurise and retest.

F.28 / F.29 ignition faults on ecoTEC Plus — often a gas valve, spark electrode or flue restriction. We carry the parts on the van for same-day repairs.

F.75 pump-pressure sensor fault — either the sensor or a poor water quality issue that also needs a magnetic filter and inhibitor top-up.

F.62 gas valve shut-off delay — commonly a PCB or gas valve failure on older ecoTEC units.

Vaillant Advance installer status and warranty

As Vaillant Advance installers we can register up to 10 years' warranty on ecoTEC Plus and ecoTEC Exclusive when fitted with genuine Vaillant filters and controls.

We supply the full commissioning pack, Benchmark log and warranty certificate on completion, and can take over annual servicing to keep the warranty valid.

Typical Vaillant installation prices in KT/TW

ecoTEC Pro 28 combi swap (like-for-like): £2,300–£2,800 supplied and fitted.

ecoTEC Plus 832 with magnetic filter, chemical flush and new controls: £2,900–£3,600.

ecoTEC Plus system boiler + unvented cylinder (uniSTOR): £4,500–£6,800 after survey.

ecoTEC Exclusive with vSMART OpenTherm control: from £3,700 depending on install complexity.

Book a fixed-price Vaillant quote or service across KT and TW.

Call 07932 898534

Frequently asked questions

Are you Vaillant Advance installers?

Yes — we install Vaillant to Advance standard, use genuine Vaillant filters and register the full manufacturer warranty on every installation.

How long is the Vaillant warranty?

Up to 10 years on ecoTEC Plus and Exclusive when installed by a Vaillant Advance engineer and serviced annually with genuine parts.

Is Vaillant better than Worcester Bosch?

Both are excellent — Vaillant tends to be quieter and easier to service, Worcester Bosch has slightly wider parts availability. We recommend based on your property and hot-water demand.

Can you service my Vaillant if you didn't install it?

Yes — we service any Vaillant boiler and can pick up the annual service history to keep the manufacturer warranty active.

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