help. removed a radiator now i have no heating or hot water.

[shaunbell]

hi i am new to this site and would like some help if possible.
today i removed a radiator from my dining room so i could wallpaper behind it. all i did was remove the rad from the valves just draining the rad and not the full system. both valves are closed but now my heating has gone off and i have no hot water. please help.

 

[black 31]

souns like a coincidece to me?????????

 

[Billy Bob Bob]

do you have a combi or pressurised system?

 

[PlumbBobBob]

sounds like you have interrupted the flow on the heating side by removing the radiator. what system do you have combi or vented?

 

[shaunbell]

its a combi. i have a bungalow and the boiler is in the loft, its a baxi duo tec.

 

[Blake]

If it's a combi you have probably dropped the pressure on the heating side and the low pressure switch has kicked in.

 

[shaunbell]

hi steve, its a combi in the loft. a baxi duo tec. is there any thing i can do to fix the problem. decorators not coming till saturday. thanks

 

[Billy Bob Bob]

re-pressurise the boiler to 1.5 bar ensure rad valves were you have removed the rad are not leaking

 

[shaunbell]

hi , thanks for your quick reply. if i increase the pressure on the boiler to 2 bar would that fix things or would i have to put rad back on. cheers

 

[black 31]

do you have a room stat in that room pos water in while stripping and tripped elec supply

 

[Billy Bob Bob]

look by the boiler you will have a silver, flexible braided loop open the valve connected to it,look at the pressure gauge on the boiler,pressure to 1.5 bar,turn the valve off it should then work

 

[black 31]

why would pressure drop if valves not reopened

 

[shaunbell]

thankyou for your help gas man. will i have to put rad back on wall first or can i just re-pressure the system. will this fix my heating and hot water. my decorater is not coming till saturday. thanks

 

[Blake]

As long as the valves are shut off there should be no need to re-fit the rad just put some more pressure in.

 

[Billy Bob Bob]

if you have a trv on the rad it may pass water either put your rad back, and re-pressurise and fill it back up or get a cap to fit on the trv(1/2 inch female) or re-pressurise with someone watching the trv see if it passes if so turn thee filling loop off and go back to step 1

 

[black 31]

i must be missing something here hope that sorts it out tho mmmm

 

[shaunbell]

many thanks for your time bronzino will give it a wirl tomorrow when i get home from work.

 

[black 31]

so you lost water out of system as well shaun

 

[marleyco]

Just top system back up with radiator off, check valves are not passing water. Don't go above 1.5 in my opinion. Duotec has built in bypass but would be better if one of your radiators in house had no thermostatic valve on just in case.

 

[black 31]

so i ask again why would pressure drop no water taken out of system and valve not reopened

 

[shaunbell]

yes it has a trv on rad, i dont think it was leaking when i removed it. will this still have caused the pressure to drop and boiler to cut out. as for caps to fit the trv's would a compression coupler female cp do the job item 93355 in toolstation catalogue. thanks

 

[black 31]

have you actually seen the pressure gauge low ?

 

[Billy Bob Bob]

just try re pressurising if it dont leak end of issue,but trvs notorious for passing

 

[shaunbell]

i only drained water from radiator. i closed the valves at each side. no leaks at all then heating went off and had no hot water.

 

[Billy Bob Bob]

have you actually seen the pressure gauge low ?

think op can assume low pressures the cause has he/she has removed a rad.........

 

[black 31]

oh trv

 

[shaunbell]

thanks marleyco one radiator in my bungalow has no trv. cheers for help

 

[shaunbell]

thanks again gas man for all your time on this will have a go at fixing problem tomorrow. will let you know outcome ......fingers crossed.

 

[Billy Bob Bob]

thanks again gas man for all your time on this will have a go at fixing problem tomorrow. will let you know outcome ......fingers crossed.

good luck Shaun,you should get it going BTW DUOTECS a good boiler

 

[marleyco]

Ok, so if you closed the valves first then removed radiator the pressure should not have dropped. Think that's what your saying, I'd still top system up, check for leaks and keep an eye on it, if pressure drops again then there must be another problem. Maybe a leaking pipe or expansion vessel, maybe even pressure relief discharge. All of which seem bit of a coincidence

 

[PlumbBobBob]

could system be piped so that if a rad is removed it cuts flow to the rest. sort of one pipe system without bypassing individual rads.

 

[GQuigley67]

yeh that's what I was thinking 1 pipe system if you shut 2 valves off and only drained the radiator then the system should still be pressurised

 

[moony]

it will be low pressure - guarentee it - lol