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Nope same regs, they just came in later than they did down south. Part L or section six as it's called up here has been in force since May 2007 for gas and then came in in 2008 for oil.

If your system water is dirty then fair enough to exclude water carrying parts but I can't see why you cant have a flush done by an independant or carry it out yourself and then have BG carry out a water test once it was done. If they are not willing to do this I would be canceling my...

Worcester spares are expensive, warranty is 24 months and not 12 as stated 5 years warranty on plate heat exchanger and 10 years warranty on main heat exchanger. Worcester is the better boiler imho get it fitted by an accreddited installer and warranty will be 3 or 5 years parts and labour...

you could add thermistor senses hw temp and modulates burner pressure to keep temp stable, unless hw temp exceeds max temp setting by 5 degrees then burner off until hw temp is 5 degrees below set temp. Depends on what combi you have though as older ones tended to have just high and low...

Doubt the op's concerned about that given they have the front of the cc :lol:

Yeh as you turn the ch pot from min to max it goes zero 20 (at about 3/4 of the way round) then back to zero when turned up at max. Went through the info settings with Keston tech tonight he said pot or relay change pot first. He touched on the parameters but didn't go through them (probably as...

Did you ever get round to doing that list Kestonman? Have a C40 I was at tonight where the potentiometer is only going to 20 degrees on ch. Hw pot is at 61. New pots required?

For that boiler and DT10RF with magnaclean I would be roughly that price. That's allowing for 2 days one for a powerflush and one to replace boiler. Depending on the quality of installation you would recieve that price is reasonable. By the way ignore Tony's comments on Worcesters budget...

Had a guy from Transco tell me last week that they only riddor a gas leak if it's within the LFL and HFL. To cut down on paperwork he said :roll:

Is there a gurgling noise when you turn the boiler on? How is it wired, is it a built in timer or external clock? Are there any zone valves?

The ammount the pressure rises by during expansion will depend on the water content of the system, the 30Si only has a 6 litre expansion vessel which is good for about 9 to 10KW of heating load. To check if it needs re-pressurised you will need to drop the system pressure to zero and test with a...

Like Darren says fit a cndensation trap vertically just after the fan then duct to outside in 22mm overflow running downhill.