Plumber in Dunstable
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Dunstable sits at the foot of the chalk downs, and the geology is not incidental to the plumbing. Water passing through chalk picks up dissolved calcium, which is precisely what makes water hard, and chalk country produces some of the hardest water in the country.
That single fact explains more about what fails in a house here than the age of the building does.
We are based in Two Mile Ash in Milton Keynes, around seventeen miles north. Gas Safe registered, registration number 981362.
- Gas Safe registered 981362
- Seventeen miles away, the outer edge of our range
- Booked work rather than emergencies, and we will say so
- Choose shower valves whose cartridges stay available
Last updated
What hard water does, and where
- Shower valve cartridges seize. The most common single repair across this whole region. Thermostatic cartridges have fine internal passages and moving parts, both of which scale, and the valve goes stiff, then jams. Choose a brand whose replacement cartridges are readily available, because you will be replacing one.
- Combi heat exchangers scale. The symptom is distinctive and it confuses people every time: the heating works perfectly, the radiators are hot, and the hot tap runs hot, then cools, then comes back. Because the heating is fine, nobody suspects the boiler. Usually repairable rather than terminal.
- Immersion elements fail early. Scale builds on the element, it overheats under its own crust, and it goes. An Incoloy element rather than copper lasts considerably longer in water like this and costs little more.
- Isolating valves seize open. The small screwdriver-slot valves under sinks and behind toilets scale up and stop closing, so the one time you need one it will not work. Test them once a year.
- Kettles, screens and taps. The visible end of it, and the reason most people here already know the water is hard.
What actually helps
- A scale reducer on the cold feed to the boiler. Small, inexpensive, and standard practice in water this hard. Several manufacturers require one for the warranty to stand. It protects the appliance and does nothing for your shower screen.
- A water softener if the problem is the whole house rather than just the boiler. It is the only approach that removes hardness rather than working around it, and the trade-offs are real: a drain connection, salt to top up, and one unsoftened tap kept for drinking. See water softener installation.
- Sensible hot water temperatures which costs nothing. Scale forms faster the hotter the water gets.
- Be sceptical of magnetic and electronic conditioners. The independent evidence is weak and inconsistent. Ion exchange and polyphosphate dosing have a clear mechanism behind them, and if you are spending money on this, those are the two we would put it into.
Our hard water guide sets out the full picture. Note that hardness varies by supply zone, so check the figure for your own postcode with your supplier rather than relying on a regional number.
Specifying fittings for water like this
Worth thinking about at the point you buy rather than the point something fails.
Shower valves:
choose a brand whose replacement cartridges are readily available and likely to stay available. You will be replacing one, and a valve whose parts are discontinued means taking tiles off to change it. This matters more than the finish.
Immersion elements:
Incoloy rather than copper. It resists scaling considerably better and the price difference is small next to the labour of changing one.
Shower heads:
the more small holes, the more there is to block. Rainfall heads and body jets are not a bad choice here, they just need descaling more often than the brochure suggests.
Boiler installation:
a scale reducer on the cold feed should be in the quote as standard rather than as an extra. If a quote does not include one, ask why.
Anything with a thermostatic mixing valve:
they scale internally and stop regulating properly, so they need periodic checking rather than fitting and forgetting.
Getting to Dunstable
Around seventeen miles from Two Mile Ash, typically thirty-five to forty minutes. That is the outer edge of our range, and it suits booked work rather than emergencies. For anything urgent, call and we will be honest about what we can do rather than guess at a time.
Frequently asked questions
Are you local to Dunstable?
No. We are around seventeen miles away in Milton Keynes, which works for planned work and less well for emergencies. We will say so rather than pretend otherwise.
Why is the water so hard here?
Chalk. Water passing through it dissolves calcium, and chalk country produces some of the hardest water in the country.
My hot water goes hot then cold then hot.
Classic scaled plate heat exchanger in a combi. Very common here, and usually repairable rather than terminal.
Is a water softener worth it?
If your complaint is the whole house rather than just the boiler, generally yes. If it is only the boiler, a scale reducer is often enough.
Do you cover Houghton Regis and Toddington?
Yes, along with Eaton Bray, Totternhoe and Kensworth.
What we do in Dunstable
Where we cover in Dunstable
- Dunstable
- Houghton Regis
- Toddington
- Eaton Bray
- Totternhoe
- Kensworth
Nearby
Get in touch
Call 07514 312117 or send a WhatsApp. Gas Safe registered 981362, CIPHE member, fully insured.