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thanks everyone for your responses. I will look into this once the weather starts to improve. Just seems to be constant rain these days!

Hoping someone can advise..... I had a garden wall built around 18 months ago and the front of the wall (from the top to the ground) was k-rendered. With the wall touching the ground, I find that when it rains, dirt from the ground splashes up on the wall. I have attached a couple of photos of...

thanks @RandomGrinch and @ericmark I was following the Tado instructions for replacing a Salus RT510 Receiver and it mentions to wire: Green/yellow with brown sleeve to CH/ON terminal 4 Brown to L Blue to N Jumper setting to 2 (which is what I believe @ericmark suggests). I have attached...

good morning @RandomGrinch , @CBW , and everyone else who may have looked at this post :giggle:. I have attached a photo of the wiring to the Salus Receiver. There is a link wire between L and COM. I also noticed the earth wire coming into the Salus Receiver has a brown sleeve on it just as it's...

thanks @RandomGrinch and @CBW. When I am at my son's place next, I'll open up the RXRT510 receiver, take a photo of the wiring, and post it here.

thanks @RandomGrinch. If I ignore the extension kit, where do I wire the wires that are currently in the Salus RXRT510 receiver? This receiver is currently in the bedroom on the first floor where the boiler is located (boiler is inside a cupboard and the Salus receiver is just outside the...

@CBW - no, at my son's place, the existing Salus RF510 thermostat is wireless

as requested @RandomGrinch, I have attached photos of each of the two Tado Smart thermostats I have. I am 99% certain, both these thermostats were wired before the heating engineer removed them when the Heatmiser thermostats were installed. Each of these Tado smart thermostats also contain...

Thanks @RandomGrinch. When I removed the Tado wired thermostat from my system, it was wired. Wouldn’t there need to be wiring to this thermostat at my son’s home?

Hoping someone can help. I used to have Tado fitted at home until I replaced this with Heatmiser due to introducing underfloor heating. The Tado equipment I have is the Internet bridge to connect to the router, a Tado Extension kit and a wired Smart Thermostat. My son has recently moved into...

so I changed d.00 to 28kw. The speed of the boiler immediately increased and the modulation level went up to 4. I am now finding that the boiler flow temp is reaching the boiler target temp of 65C and the rads are heating up nicely. Reading my IHD linked to my smart meter, I have found that I...

thanks @DP. What I am finding (and I noticed this, this morning) is that once the room stat setting has been reached, i.e. to 21.5C, the room stat sends a signal to the boiler to turn off. When the room temp drops down to 21C, it sends a demand to the boiler for heat. I noticed the boiler flow...

Thanks @Mottie. Do you recall what issue you had before you changed d.00 ? Since my boiler is a 30kW boiler, I assume I would change d.00 to 30? What difference can I expect?

Thanks @CBW but don’t believe the boiler is undersized. However, if it was, why would it cause the problem I am seeing?

I recently had a new 2023 Vaillant ecoTec plus 630 (30kW) system boiler installed along with a Low Loss Header (LLH) in my house. I have 21 rads in the house and a room with UFH. The LLH was introduced as I was finding (before the LLH was fitted) that my old boiler (Vaillant heat-only boiler)...

I am looking to replace my existing Vaillant heat-only boiler with a new Vaillant ecotec plus 630 system boiler (30kW). I have a megaflo hot-water cylinder, a central heating system (serving 21 radiators) and an orangery built last year (6m x 4m) with underfloor heating. Through running some...

hi @Milleniumaire, at the end, the UFH manifold was installed on the ground floor next to the orangery that got built. The pipework from the manifold runs up along a wall in a room on the groundfloor (pipes are boxed in so looks fine), under the floorboards in the bedroom & hallway above, and...

thanks @Harry Bloomfield. Yes, I got the feeling that these Vaillant controls should be considered as a method to improve the operation of the boiler, and hopefully improve the comfort level within the house. Which boiler did you have installed? Did you deliberately wait to get the Vaillant...

I am considering replacing my existing boiler with the new 2023 Vaillant ecotec plus 625 boiler. I currently have 3 x Heatmiser neoStat thermostats that are all hard wired back to the wiring centre; one for the central heating, one for a room with UFH, and one for the HW. I use the Heatmiser...

@Johntheo5 - just to run some further tests, I reduced the speed of the main pump to speed (1) from speed (3) (photo attached) and took the following readings with just the UFH on.