Last seen: Sep 4, 2025
@jeff this will work if you have the appropriate wiring centre from Bosch, or the boiler has priority hit water. Bosch though are something of a...
@toml1981 do you have a room sensor any where and is it the same brand as the heat pump (which means it will probably vary the flow temperature) ...
@mattengineer I’ve probably installed 200 of the vaillant and 100 of the Viessmann equivalent I can talk you through the parameters if you like… ...
@webcmg yes you are right internal reference is optional if you get the heat input right relative to the outside temp you don’t need indoor refe...
Do you have UFH?
@sand I’d ask the ashp installer to do it..none of this stuff is simple. In fact he may have a straightforward answer as to why it’s not in the heated...
Can’t you get that controller into the house? It’s only a two core cable. once there it must be programmed to respond to actual room temperature...
@sand OK this is the problem..the controller that will optimise the heat pump is not that one...salus controllers do not feed back to the heat pump in...
Of the controller there seems to be an FTC 5 and 6
@sand can you post a link?
@editor the industry is set up as the boiler industry to exploit U.K. consumers Installers are poorly supported which is why this London base...
@kev-m unfortunately the heating industry has lost control of the narrative around efficient and optimised use of energy. does anyone seriously...
Latest Posts
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RE: UFH downstairs and radiators upstairs balancing question
@davidnolan22 Hi, ok first of all it very hard to truly...
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RE: Grant 13kW Aerona3 - issues getting zones to temp
Installers coming tomorrow. One has messaged messaging ...
By Crimson , 3 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
11.2kW Ecodan Manufacturer: Misubishi Model: PUZ-WM...
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RE: Homely asking about Solar Panels.
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RE: Mediation with RECC, what's your experience?
@editor Thank you, I really appreciate it! I've made ...
By TreeWizard , 8 hours ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
Are you able to post a photo of that 180-litre cylinder...
By Transparent , 10 hours ago
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Agreed. It doesn't take all that much maintenance to ke...
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RE: Oil Boiler & Heat Pump Hybrid System
OK. Got it. As a fellow rural West Country resident, ...
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RE: My DIY Heat Pump installation
@pollar-bear Top job, I installed my own too and even t...
By bontwoody , 14 hours ago
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RE: Help me keep the faith with my air source heat pump installation
There are two definitions of sufficient volume. The fi...
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RE: Who has a V2G EV installation
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By Majordennisbloodnok , 15 hours ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
Ok so that seems to be the key point namely only mcs ca...
By JamesPa , 1 day ago
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RE: One flow valve appears to be duff
You might want to consider the following common faults:...
By IaAck , 2 days ago
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RE: When to use Octopus Intelligent Go tariff with my heat pump and battery
We are on the Intelligent Octopus Go tariff. We instal...
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RE: New build installation query
@paullacey While the others wait for more info do you m...
By ASHP-BOBBA , 2 days ago
