Advice required from Heating & Plumbing Engg

5
Found 12th Sep 2017
Hi All
I am just after a bit of advice from any heating and plumbing engineers out there.
I need to get the following works done and was wondering if the price I am being quoted sounds right for this kind of work
Work involved is
  • Drain down central heating system, aco pack and cylinder
  • Remove redundant cylinder
  • Remove substantial amount of pipe work to facilitate install
  • Install new 38inch x 18inch thermostatic side entry immersion indirect cylinder
  • Remove defective pump and 2 x pump valves
  • Install new pump and valves
  • Reinstate pipe work
  • Remove 5 x conventional radiator valves and replace with new Honeywell thermostatic radiator valves
  • Remove 1 x lock shield valve and replace with new
  • Refill system including chemical inhibitor
  • Clear any airlocks in system
One quote came in at £995 and another at £ 1150 - both quotes are incl. of parts and labour
Is this reasonable?
Any advice appreciated
Thanks !
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5 Comments
The quoted work is only a day's worth, materials are maybe £500, £600 at a stretch.

I would strongly suggest upgrading to an unvented cylinder if you're going to the expense of changing it already.
Would you also need to flush the system before refilling?
Thanks - enquired about the unvented cylinder and quote has come in at £1700 + they will need to do a flow rate test first apparently. Its a bit over my budget at the moment. Reading up on this, one of the pros of unvented is it would help to put it anywhere else in the house but I don't have that option tbh plus don't want to end up in a situation where the boiler does not work and there is no hot water either.

themorgatron19 h, 50 m ago

The quoted work is only a day's worth, materials are maybe £500, £600 at a …The quoted work is only a day's worth, materials are maybe £500, £600 at a stretch. I would strongly suggest upgrading to an unvented cylinder if you're going to the expense of changing it already.

diamondnine11 h, 55 m ago

Would you also need to flush the system before refilling?


Had a power flush done recently - so all covered on that front Thanks
am10651 h, 35 m ago

Thanks - enquired about the unvented cylinder and quote has come in at …Thanks - enquired about the unvented cylinder and quote has come in at £1700 + they will need to do a flow rate test first apparently. Its a bit over my budget at the moment. Reading up on this, one of the pros of unvented is it would help to put it anywhere else in the house but I don't have that option tbh plus don't want to end up in a situation where the boiler does not work and there is no hot water either.


I would get a couple more quotes.

An unvented cylinder is <£200 extra materials over a vented. Pressure relief pipework is usually easily routed. The only possible expense can be upgrading the cold feed. It's feasible to live with just the 15mm incoming (lower flow rate) already at the airing cupboard if budget is tight.

I would even go to the extreme of fitting an unvented cylinder as a vented set up. Sell the cold inlet, expansion and zone valve and you've made the extra expense back. You're then left with a lifetime warranty cylinder, with much better insulation values.
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