Last seen: Mar 26, 2025
Valiant have been superb with me, especially useful as my installer went bust just after my bodged installation.
@editor No, Travis Perkins took them to court at the same time as I did and they put the company into insolvency and made the director bankrupt (my co...
@iantelescope I had a remarkably similar experience (though I am happy with the heat pump itself). I ended up taking my installer to court but Travis...
Absolutely! This forum is how my Valiant system got set up. It was installed by a plumber who had no idea at all. I'm getting towards being happy with...
@derek-m Yes, @mars took the case to MCS not interested
@cathoderay Based on the questions they got an average score, if you asked me my views they were charlatans who had no concept of how ASHPs run nor an...
Mine was so bad Mars wrote an article on it. But for the installation itself. No handover, flow temperature at 55 degrees, no weather compensation, ...
@derek-m Handover pack, hmmm a handover of any sort would have been nice 🙂 Thankfully they left a full set of Vaillant docs along with the coke can...
@derek-m Great advice, even better if the really thick install guides are left on site!
Sorted, found out its fault code F.788 - pump not running. The controller manual fault section (left in my garage by the installer muppets) suggested...
@squonk Snap and mine wasn't at all competent either
Yup that's exactly what it is telling me! 🙂 Just got a fault code of F.788 (pump) from the main unit in the garage.
Latest Posts
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RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW
I am initially thinking it looks like you have one pump...
By ASHP-BOBBA , 23 seconds ago
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
I am drawing the same conclusion that this system for s...
By trebor12345 , 21 minutes ago
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RE: help sizing rads based on room by room heat loss
@jamespa heat loss list on first post. it’s the one t...
By AdamK , 2 hours ago
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That sounds exactly what I’m after thanks, I’m hoping t...
By Fingers , 2 hours ago
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The Great British Heat Pump Quiz
Whether you’re a homeowner, installer, retrofit nerd or...
By Mars , 4 hours ago
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RE: Agile: average import cost vs other tariffs?
@toodles thanks for the analysis. I'll be really intere...
By Old_Scientist , 12 hours ago
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RE: ASHP Ecodan L9 error - No Heating but Hot Water
@phoenix15 I'm no plumber so please don't take this as ...
By dnagre , 16 hours ago
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RE: Is this normal? Click of the DHW returning to space heating
@grantmethestrength Oh sorry to hear that, there should...
By ASHP-BOBBA , 20 hours ago
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@ashp-bobba TBH the ladies are rather disorganised, so ...
By Cathyem1 , 20 hours ago
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The Rise and Fall of Europe’s Most Generous Green Subsidy
This story came to my attention thanks to Graham Hendra...
By Mars , 20 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
And for those of us without an automatic irrigation sys...
By Majordennisbloodnok , 20 hours ago
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Logically, the lower frequency = more gentle, yes, but ...
By SUNandAIR , 1 day ago
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RE: Ideal Logic ASHP - change from 55°C to 35°C Heating?
Good point. I’ll keep my eye on the manifold temperatur...
By Tomdad , 1 day ago
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RE: How hard and expensive would it be to change panel and add battery?
@transparent It is a setting that Octopus make via the ...
By Toodles , 1 day ago
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RE: Performance of Heat Pumps in Mild Weather
@heatgeek The flow rate isnt controlled by Mitsub...
By RobS , 1 day ago
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RE: Say hello and introduce yourself
I might put a couple of speakers in the ceiling if fund...
By Fingers , 2 days ago
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RE: Bathroom Radiator replacement
@rob-nezard can you please offer your professional advi...
By Mars , 2 days ago
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RE: Questions on my Hitachi Yutaki SCombi Heat Pump
OK, thats good and low. With low flow temperatures lik...
By JamesPa , 3 days ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa “They are all equal but, some are more equal t...
By Toodles , 3 days ago
