Thermostatic Shower Valves
Thermostatic Shower Valves | Plumbing Fixture Replacements | Plumbing | Bristol
Step into a safer, more comfortable shower experience with HEP’s thermostatic valve expertise. Our Bristol engineers replace outdated mixers with precision-balanced valves that maintain your chosen temperature even when someone flushes the loo or runs a tap elsewhere in the house. No more sudden bursts of icy water or surprise scalds—just consistently blissful showers and lower energy bills thanks to smarter water regulation.
From single-bathroom flats in Clifton to family homes in Bedminster, we deliver fast, tidy plumbing fixture replacements that respect your schedule and budget. Each installation comes with clear after-care advice and a solid workmanship guarantee, so you can relax knowing your new valve is built to last as long as your love for hot showers. Book today and feel the HEP difference tomorrow.
FAQs
What is a thermostatic shower valve and why should I choose one over a manual mixer?
A thermostatic shower valve contains an internal thermostat that constantly blends hot and cold water to your pre-set temperature, compensating for fluctuations in pressure or boiler output. Unlike a manual mixer, it prevents scalding if someone flushes a toilet or runs a tap elsewhere and it keeps the flow temperature steady within ±1 °C. This makes it safer for children, older users and anyone with reduced mobility, and it is compliant with UK Building Regulations Part G on scald prevention.
How long does it take to replace or install a thermostatic shower valve in a Bristol property?
For most like-for-like replacements—where the new valve fits the existing pipe centres—our Bristol engineers complete the job in 1–2 hours, including testing and commissioning. If pipework needs rerouting, walls need chasing, or tiles must be removed and reinstated, allow half a day (3–4 hours). Full first-time installations that involve running new hot and cold supplies generally take one working day.
Will a thermostatic valve work with my existing combi boiler or gravity-fed system?
Yes. Modern thermostatic valves are designed to operate with all common UK water systems: combi boilers, unvented cylinders and gravity-fed tanks. When fitting in gravity systems we check the valve’s minimum working pressure—typically 0.1–0.2 bar—and may recommend a pump if pressure is too low. For high-pressure combi or unvented setups, we choose a valve rated up to 5 bar and install service isolating valves to aid future maintenance.
Can I upgrade just the valve or do I need to re-tile or replace the entire shower fixture?
In many cases you can swap only the valve body and keep your existing shower head, riser rail and tiles. We carry a wide range of concealed and exposed thermostatic cartridges that match standard UK pipe centres (150 mm). If your old valve is obsolete or a different size, we can fit adjustable eccentric connectors or a backplate to avoid re-tiling. We will always inspect first and give you the most cost-effective option.
How much does a typical thermostatic shower valve replacement cost in Bristol?
Prices vary with the brand and whether any remedial tiling is needed. As a guide: • Supply and fit quality mid-range exposed valve (Bristan, Mira, Grohe) from £210–£280 inc. VAT. • Concealed valve replacements start at £300 due to extra labour. • Cartridge-only swap (if the body is sound) from £120. After surveying we provide a fixed, written quotation with no hidden extras, and we recycle your old brassware in accordance with Bristol City Council guidelines.
Do you offer emergency call-outs and warranties for thermostatic valve repairs?
Yes. We operate a 24-hour emergency service across Bristol and the surrounding BS postcodes. If your shower is stuck on hot or cold or leaking heavily, call us and we aim to attend within 1 hour. All new valves come with the manufacturer’s warranty (typically 5–10 years) plus our 12-month labour guarantee. Cartridges and seals replaced during repairs carry a 12-month parts and labour warranty as standard.