Plumber in Emerson Valley
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The most common disappointment we hear in Emerson Valley is this: someone had a new boiler fitted, expected the house to be warmer and the bills lower, and got neither.
The boiler is almost never the reason. It is what was left alone.
Emerson Valley is a large late 1980s and early 1990s estate in the south-west of the city, and a great many properties here have now had a boiler swapped at some point without anyone looking at the system it was connected to. That is the single biggest thing worth understanding before you spend money here.
Based in Two Mile Ash, around fifteen minutes north. Gas Safe registered, registration number 981362.
- Gas Safe registered 981362
- Around fifteen minutes from Two Mile Ash
- We quote the system, not just the appliance
- Booked work Monday to Saturday, 8am to 8pm
Last updated
What a like-for-like swap leaves behind
- Radiators sized for a different era. Part L now requires new heating systems to be designed for a maximum flow temperature of 55°C rather than the 75 to 80°C systems of this age ran at. A radiator delivers less heat at a lower temperature, so it has to be larger to do the same job. Fit a modern boiler to original radiators and it cannot condense properly, so the installer turns the flow temperature back up, and the efficiency you paid for disappears. See radiators.
- Thirty years of magnetite. Steel radiators corrode internally. A system that has never been cleaned has had three decades to fill with sludge, and a new boiler connected to it is a warranty claim waiting to happen. We test the system water rather than assuming, and if a flush is not warranted we say so. See power flushing.
- No magnetic filter. Standard on any decent installation now, required by most manufacturers for the warranty, and absent from a lot of older swaps here.
- No scale reducer, in a city with some of the hardest water in the country.
- An unbalanced system. If nobody rebalanced the radiators after the work, the ones nearest the boiler run hot and the far bedroom never gets there.
- Pressure that keeps dropping, quietly managed with the filling loop for years. Every top-up introduces fresh oxygenated water, which accelerates the corrosion producing the sludge.
So what should you actually ask for?
If your boiler is due, ask any installer, including us:
- What flow temperature is the system being designed around, and are the radiators sized for it?
- Is a system flush included, and how was that decided?
- Is a magnetic filter included?
- Is a scale reducer included?
- Will the system be balanced afterwards?
- If the pressure has been dropping, what is being done about the cause rather than the symptom?
A cheaper quote usually means one or more of those was left out. That is where the difference is.
Extensions and conversions
Emerson Valley has had a lot of both, and they are the usual reason one end of a house never warms up. Adding radiators to a system without checking boiler output, pump capacity and the pipework feeding the new area is how that happens, and rebalancing afterwards is part of the job rather than an extra. See loft conversion and extension plumbing.
Hard water
Same Anglian Water supply as the rest of Milton Keynes, around 300 mg/l of calcium carbonate against a UK average of 207. Very hard.
The heating circuit is largely protected because a sealed system recirculates the same water, but only if it is not being topped up regularly. A system with a slow leak is being fed fresh hard water every few weeks. See our hard water guide.
Getting to Emerson Valley
Around fifteen minutes from Two Mile Ash. Straightforward for booked work and realistic for out of hours.
Frequently asked questions
I had a new boiler and the house is no warmer. Why?
Most often radiators sized for a higher flow temperature than the new system runs at. The boiler is capable, the system will not let it perform.
How do I know if my system needs flushing?
By testing the water, not by guessing. Cold at the bottom of radiators, dark water when bleeding, or a filter that fills quickly all point to it.
My boiler pressure drops every few weeks. Is that normal?
No. Water is leaving a sealed system somewhere, and topping it up accelerates internal corrosion.
Is a magnetic filter worth it?
Yes, and most manufacturers now require one for the warranty. It should be cleaned at every annual service.
Do you cover Furzton and Westcroft?
Yes, along with Shenley Brook End, Tattenhoe and Snelshall.
What we do in Emerson Valley
Where we cover in Emerson Valley
- Emerson Valley
- Furzton
- Shenley Brook End
- Westcroft
- Tattenhoe
- Snelshall
Get in touch
Call 07514 312117 or send a WhatsApp. Gas Safe registered 981362, CIPHE member, fully insured.