[House build thread] Andy’s house ( not from scratch )

[Duncan Grier]

Welcome to the joy of mega hard water, had mine apart the other week

We find ours will start to not maintain that nice hot shower feeling and time to sort before it becomes expensive fix

 

[andybond]

Welcome to the joy of mega hard water, had mine apart the other week

We find ours will start to not maintain that nice hot shower feeling and time to sort before it becomes expensive fix

Thats exactly what ours were doing.

I have had to change one thermostatic catridge but the others are a case of clean the filters or bang it in the kettle descaler stuff!

 

[andybond]

I am having a few "fun and games" with the underfloor heating.

I cant seem to get one segment , which is actually two seperate loops warm. Snag is I dont know if I have ever felt them warm.

I have swapped out the manifold flow guages as I spotted one was flapping.



All back together again and rebled



It made no difference what so ever. The edge of the room gets warm then nothing. Cold AF.

 

[Duncan Grier]

Flow and return ok? Not got any blockage?

If you isolate the others and leave that section fully open are you getting any difference?

 

[andybond]

Flow and return ok? Not got any blockage?

If you isolate the others and leave that section fully open are you getting any difference?

Flow and return are great. Which is weird.

I deliberately flushed just that circuit , separated the loops but no joy. Something just isn’t right

 

[Big Steve - Raider]

My neighbour had a lot of fun and games to get his underfloor heating working..

 

[andybond]

It’s 1 zone. Just one. I have hundreds of bloody zones but this one just won’t get warm.

 

[Spooky]

Could there be an air pocket? May be it needs a bleed?

No this sort of bleed obvs

 

[Spooky]

And Im still trying to find that oak door protection that doesnt leave any residue or sheen, a lovely natural/matt finish

 

[Spooky]

Did I tell you how awesome your house it btw

 

[andybond]

And Im still trying to find that oak door protection that doesnt leave any residue or sheen, a lovely natural/matt finish

That would be superb, thank you!

 

[andybond]

Did I tell you how awesome your house it btw

Thank you very much - I appreciate that. You are welcome over anytime.

 

[andybond]

And tonight that zone has decided to work.

I have done nothing at all to stimulate it into working.

Strange, but its a result.

 

[andybond]

But last night its stopped again.

 

[Norwich Nick]

Is polypipe a French company? It seems to be behaving like a French car

Have you tried turning it off and back on again?

 

[andybond]

Is polypipe a French company? It seems to be behaving like a French car

Have you tried turning it off and back on again?

It’s made about 11 mi down the road from me

I have tried the off and on thing several times.

 

[Steve Swan]

Are the Zone valves motored, or solenoids? Both can be intermittent. Are the Zones temp controlled or just time controlled? You've checked the Zone circuit is flowing, so that just leaves the manifold and zone valve to cause potential flow issues, or a control on that circuit.

 

[andybond]

Are the Zone valves motored, or solenoids? Both can be intermittent. Are the Zones temp controlled or just time controlled? You've checked the Zone circuit is flowing, so that just leaves the manifold and zone valve to cause potential flow issues, or a control on that circuit.

Solenoids.

The zones are temp controlled via thermostat.

I can see the solenoids opening. I can see the flow meters reporting flow.

I have visual when filling that the circuit is working.

I can remove the solenoid as well to ensure it’s not that messing me about and see flow - it just doesn’t get warm.

 

[Steve Swan]

Is it all underfloor, or is there Rads as well. The clue was in the fact it worked the other day, was that coz some of the other zones had shut off on the stats giving a bit more push to the remainder. With as many zones as you have, it may need balancing, is there a trimmer valve on each circuit? That's what the other valve on a Radiator is for, not just removal for decorating. If you have,small or short run zones, you need to cut the flow back to put more flow through the larger, longer run Zones. With Radiator systems the rule was to have even heat through the Rad, but with 11 degree drop from flow to return, we always used to guess it, then TRV's came along and made a nonsense of it all as they trim flow when working, everything usually got left wide open. It's not heating, coz it's not getting enough flow, it could be a kink in the pipework or a faulty component. Shut down all the other zones and see what happens.

 

[andybond]

Hi,

There are no rads.

I have isolated the zone, it makes no difference.

I have increased the flow to max ( >4l/min ) for each zone , no difference

In UFH you take the loop length and divide by 40 for the flow rate.