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Intergas engineer did visit yesterday, and was here for about two hours. His conclusion was he could't find anything wrong. I don't know exactly what he did as I just left him to it. He said he'd measured flow and temerature into the bath and he also did the timed test at the gas meter a couple...

Boiler flow temperature is 60°C, if that's what you're asking?

Thanks dialio, point well made. I was a service engineer for 40 years in a different industry. Nothing like experience to make up for the lack of information sometimes.

Just had a 15 min conversation with Intergas Technical. Basically I asked the for the DHW output of this boiler and was quoted 33kW. I then gave him my flow and temperature figures from all taps measured, which all work out to (way) less than 33kW. I am getting an engineer visit on Friday to...

Here is a picture of the primary valve assembly. Hot water into the inlet top right, cold into top left. There is a thermistor in the hot part which looks like it can't be replaced. Valves are controlled by the two motors. Blended water then comes out the bottom outlet into the next ducting...

A quick update on the shower. Mira sent me a control pcb, a primary valve assembly and a thermistor. The valve assembly takes the hot and cold water and blends it to the target temperature. I fitted that and the thermistor. I didn't fit the control board as it already had one fitted in January...

Not sure how “the plot thickens”. If you’re referring to the replacement gas valve that was done over three years ago. I had a few problems with the boiler in the first year and had to get Intergas to repair under warranty. They were the only ‘professionals’ I could call on. I’ve alway thought...

The shower goes mains inlet temp cold, not luke warm, and it's quite sudden not a gradual drop in temp. As it's digital I'm suprised it doesn't give an error and shut down. Something like "insufficient hot water". It just stays cold until you turn it off. It of course has an app and you can...

@dilalio thanks for your reply. As far as gas goes I have no way of testing that. All I can say is that the gas leaves the meter in 28mm and arrives at the boiler in 22mm. We have a gas hob in the kitchen and a gas fire in a living room. Since the boiler move it is now nearer the meter. The...

@OvertonPlumber got to agree with how noisy this boiler is when running hot water. Pretty quiet when heating is on. I had the boiler moved about six weeks ago from in a bedroom wardrobe onto the land at the top of the stairs. Mainly to free up space, but also to move the noise eslewhere! And no...

I’m assuming the 3.34 m3h is measured as it was written in the manual by the installing engineer. I have just checked parameter P70 in the boiler. Max dhw output %. It was set to 95. I have set it to 100. Only slight increase but worth a try. I have not yet remeasured the temps. In the...

Firstly, thanks to everyone who has taken the time to reply. I really do appreciate it. Mixer taps - I was mistaken with the tap in the kitchen. It is not a mixer tap. It has a hot tap, a cold tap and a single spout. Sorry for any confusion. We do have a mixer tap in the downstairs cloakroom. I...

@Johntheo5 - The bath tap is a single HW tap, the kitchen sink is a mixer. I have done the calculation that you suggested twice and get two slightly different readings. First time was 33.44kWh and the second time 31.46 kWh. Not close to the 41/42 kWh you suggested? @Madrab - it's kind of good...

Thanks for the replies, I appreciate it. The shower figure quoted in my op was the hot water into the mixer box, not blended flow from the shower head. I disconnected the hot pipe into the mixer box and ran 10l into a bucket to measure flow. I also checked the temp with a temperature probe...

Thank you for the swift reply. Yesterday I measured the cold water temperature at 11°C. So at 14.5 lpm I should get 46°C. As the shower flow rate is 12.25 lpm I should be getting better than 45°. Is that enough difference to say there is a problem with the boiler? Just to expand on the shower...

I have a four year old Intergas Xtreme 36. I have the dhw temperature set to 65°C. I know not to expect that temperature at the taps but I'm wondering what the temerature should be? At the kitchen sink I have a flow of 7.7 l\min with a temp of 56°. At the bath I have a flow of 11.1 l/min with a...

Thanks @Madrab the boilers new position will be on the landing at the top of the stairs on an outside wall. The standard flue will be ok. The intention is to build a cupboard around it and make it as soundproof as possible! When installed it had the IG mag filter fitted so already has the...

Thanks for your reply. I have a local heating company (none Intergas accredited) and also an accredited Intergas engineer both coming to quote for the boiler move.

In 2021 I had an Intergas Xtreme 36 boiler fitted into a wardrobe in a bedroom. It was a straight replacement of an old Vaillant combi. I would like the boiler relocated to the landing at the top of the stairs, mainly to free up the space in the bedroom and to allow new wardrobes to be fitted...

As a follow up to this thread we have had an Intergas engineer look at our boiler. n150 is a notification code that the heat exchanger is running too hot. In my case this is displayed as the boiler is running hot water into the bath. I have also seen a n200, which is the same meaning but is...