Using Adey MC3+

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System on full for 8Hrs going to use a lot more than £2 ...... but I followed up as suggested here Adey advised only 1 Hr is needed, to get in hot & mixed. Then leave it up to 28 days before flushing.
 
System on full for 8Hrs going to use a lot more than £2
No it wont, you dont understand how a boiler works, it wont be on full power for eight hours, once the rads are up to temp depending on your boiler it will modulate, or switch on and off to keep the rads to temp
 
System on full for 8Hrs going to use a lot more than £2 ..

Maybe a quid if you’re really unlucky or have a massive house. When we were away over Christmas and New Year and came home mid morning on Jan 3rd to a stone cold house, it cost us £2.85 that day (including the standing charge) to get the house up to temperature and heat the hot water cylinder. It took a lot longer than usual. 3 bed semi. In fact, looking back, that was the most I've spent on gas in a day, ever!

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Gas is cheap as chips at the momentt, 2p/kwh. I'll bet your standing charge costs more than gas usage during the summer

Nozzle
 
you dont understand how a boiler works, p

I do understand how a boiler works .... and the action of a boiler thermostat in conjunction with room stat. Just expect to keep a load of steel panel rads at high temp for 8Hrs will cost more than £2 It's irrelevant anyway now as following advise above I contacted Adey, and they advise only 1 Hr on hot required to make it work. So that has been completed.
 
I do understand how a boiler works .... and the action of a boiler thermostat in conjunction with room stat. Just expect to keep a load of steel panel rads at high temp for 8Hrs will cost more than £2 It's irrelevant anyway now as following advise above I contacted Adey, and they advise only 1 Hr on hot required to make it work. So that has been completed.

While they say 1 hour may be adequate, that is same advice for Sentinel X800, a super fast cleaning agent. Sentinel advice system be run longer if system fouled up. 1 hour time scale would be for a ‘clean’ system that needs system to be clean as possible. 1 hour hot circulation would not even touch the packed ‘mud’ at the base of the radiator. This stuff is like treacle at times that has been compressed to become scale. At times this sediment needs to be chipped with an implement to get to metal underneath ( flow and return pipes in boiler being an example)

If the radiators are covered up and no heat escapes from covered radiators, why would the boiler burner need to be on for long periods of time

Let it be said, some of the responders That have replied to your query, deal with this issue as part of their daily task and they are offering this advice for free, task if carried out by us would be chargeable
 
I do understand how a boiler works .... and the action of a boiler thermostat in conjunction with room stat.

Room thermostat will not work if all the radiators are covered but boiler thermostat will
 
Don't think that is correct, in this house wall mounted stat was set to 20 .... and switched off the boiler, even though rad had a towel on top, slowing down convection currents, the panels still radiating significant heat.
I had to increase room stat temp to keep the boiler running ....... obviously ambient temp not much below 20 indoors anyway
 
Don't think that is correct, in this house wall mounted stat was set to 20 .... and switched off the boiler, even though rad had a towel on top, slowing down convection currents, the panels still radiating significant heat.
I had to increase room stat temp to keep the boiler running ....... obviously ambient temp not much below 20 indoors anyway

In that case radiator covering inadequate. I regularly use this method, during summer, to do what you are attempting- house stay cold since heavy radiator covering stop heat escape. Towel on a radiator will not stop heating getting out. Doubled up duvet will :whistle:

If you think what is suggest is not correct, you have not understood the principle or what the covering on the radiator is for.
 
I understand your principle of covering the top of the radiator - it is to stop convection currents, and I did follow that advice. I used blankets.
 
I understand your principle of covering the top of the radiator - it is to stop convection currents, and I did follow that advice. I used blankets.

Noooo, totally wrap the radiator so no heat comes out of the wrap
 

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