Hi, I have a Potterton Suprima 30, which has new the designHi, I have a Potterton Suprima 30, which has new the design PCB about a year old. Plus have replaced thermistor and overheat stat in last week, along with the room stat. Now the problem is, the boiler… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hi Rick, I just finished installing a Santon Premier Plus 170ltrHi Rick, I just finished installing a Santon Premier Plus 170ltr Unvented indirect hot water cylinder, with a Vaillant Ecotec 630, the customer provided me with these new 2port valves from Danfoss cal… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hi I have a problem where the HW only works when the CH isHi I have a problem where the HW only works when the CH is on. The boiler fires but the pump does not come on and then the boiler switches off as no pumping taking place. When in dual mode all works f… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
hello therei have a greenstar oil fired boiler running ahello there i have a greenstar oil fired boiler running a closed system, it is controlled bu honeywell hcw80 cordless thermostat with a reciever ,problem i have is the rads get hot on initial turn on … read more
Rick Ridley
UK Heating Engineer
30 years on the tools
2,708 satisfied customers
hi, got a strange problem, just upgraded a controls systemhi, got a strange problem, just upgraded a controls system from honeywell c-plan to a fully pumped s-plan , i.e added a 2port zone valve to heating, existing horstmann 425 tiara programmer. all seemed… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
when the programmer goes off, after about 30 seconds the pilotwhen the programmer goes off, after about 30 seconds the pilot light goes out, If I make the programmer call for heat or water all the time it stays on… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
I have hot water, but no heating, the programmer is on centralI have hot water, but no heating, the programmer is on central heating and the Room Stat is calling for heat (i have it turned up to 30 now just to make sure its always asks for heat) but nothing, whe… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hi We have no heating, but we do have hot water. You pressHi We have no heating, but we do have hot water. You press the 'heating on' function on the controller,and nothing happens. Press the hot water 'on' function, and boiler fires up as it should. Have fi… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hi have a sunvic 307xls 3 zone timer (up stairs ,down stairsHi have a sunvic 307xls 3 zone timer (up stairs ,down stairs and water),last week it started giving problems when one channel is on no other channel will switch off. ie upstairs on and water goes on f… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
hi i have a potterton profile 80 boiler which was working okhi i have a potterton profile 80 boiler which was working ok until i replaced the 2 diverter valves & rewired the control box which was a mess.now i am unable to get the boiler to fire up. i rechecked… read more
Brian
Plumber
596 satisfied customers
potterton profile cutting out when hot water switches off,potterton profile cutting out when hot water switches off, but it does not on heating if boiler is set on 2/3 it ran all summer on hot water ok. system has a new pump ,3port valve,and cylinder stat, a… read more
Rick Ridley
UK Heating Engineer
30 years on the tools
2,708 satisfied customers
My central heating only comes on when the hot water is on andMy central heating only comes on when the hot water is on and I suspect a valve problem. The hot water system is unvented and I have two 2-port motorised Honeywell valves labelled (by the installer) h… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
I would like to fit a drayton digistat+3 to my worcester 350I would like to fit a drayton digistat+3 to my worcester 350 combi I have been informed that the live to the drayton should be taken from X14 (brown wire) and that the neutral to the Drayton should be… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Good Night All I have Outdoor oil Boiler newley installedGood Night All I have Outdoor oil Boiler newley installed there is a motorised vale for heating and hot Water 4 wires Brown Blue Orange Gray there is wireless room stat cilinder stat and Programmer wh… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
do you have wiring diagram for my Potterton EP 3000, it hasdo you have wiring diagram for my Potterton EP 3000, it has wires for the boiler the pump and a thermostat along with the mains supply as my central heating will only work when the hot water is on, pl… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hi, I currently have a central heating system, separatedHi, I currently have a central heating system, separated with two zone valves to run upstairs and downstairs radiators independently. I have recently added under floor heating to my conservatory and n… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hello, Just fitted a bigger back box behind the timer unitHello, Just fitted a bigger back box behind the timer unit due to lack of space for wires and wires breaking off. On refiiting wires etc, I have one problem I can't solve. The central heating works ok… read more
Rick Ridley
UK Heating Engineer
30 years on the tools
2,708 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.