
Last seen: May 27, 2025
@sallyl That sounds about right if they are re-filling with glycol, personally I would fill it with water, if you are worried, I would get them to ins...
@majordennisbloodnok I have never installed antifreeze valves or glycol and have never had any damage to any of my customers installations due to fros...
@ecodan-efficiency If you consider £200.00 to £300.00 a year, inconsiderate for a 10 kw system, then maybe, I do not consider that insignificant. Depe...
@johnmo You are correct, standard Ethylene glycol used in the motor industry is highly toxic, however, the product used for heat pumps is a detoxified...
@editor @sallyl As Mars said, there are 2 different types of glycol generally used in the heating system. They are different and should not be mixed. ...
@jamespa, @heatgeek Talk about laying the gauntlet down. In my view, you are both right depending on the task at hand, the variables and the required...
@alfapat PM me and I can help, you will just neeed to find a standard plumber, not a specilaised one.
@jamespa you are right about the cospiricy of scilence regarding system balancing. There is no industry consensous, I put a post on linked in at the e...
@robs The flow rate is determined by the capacity of the unit. If you close a valve in the flow, the pump speeds up to try to match the desired fixed ...
@heatgeek 👍
@heatgeek No offense taken or inferred. The problem is, no-one actually knows but many claim to, and are disseminating unverified information as fact....
@heatgeek You state "Beware disinformation on this forum", then you state "The theoretical power level was calculated " and finally "Vaillant Arotherm...
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Latest Posts
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RE: When will heat pumps and install prices come down?
@jamespa my heating and hot water system works fine wit...
By Scalextrix , 16 minutes ago
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RE: Battery storage to run Heat Pump.
Im also hopeful that prices will come down but it does ...
By JamesPa , 42 minutes ago
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Hi all Given the high temperatures of late plus my ab...
By Pie_Eater , 45 minutes ago
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I went on Wednesday. It was definitely and interesting ...
By JamesPa , 2 hours ago
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@abam48 I’ve been at Installer Show this week and back,...
By Mars , 2 hours ago
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RE: Commencing on an ASHP Installation Process
And on the second day, we have a completed installation...
By Sheriff Fatman , 14 hours ago
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RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop
Its the flow temperature for the heating circuit, it me...
By Gary , 14 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@dowallydrifter OK. I would recommend you read t...
By JamesPa , 16 hours ago
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RE: Solar to power Heat Pump for DHW
Wow, how big is your heat pump that it is pulling 6kW d...
By Old_Scientist , 20 hours ago
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Adding battery storage to SolarEdge PV system
Hi, I think I've narrowed down my choice to a Sunsynk 5...
By nazuro1041 , 1 day ago
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There are DHW tanks with a built in heat pump that take...
By JamesPa , 2 days ago
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RE: Vaillant AroTherm Plus 7kW
If the thermostat is connected to the call for heat ter...
By JamesPa , 2 days ago
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RE: Renewables & Heat Pumps in the News
Yes I realise I'm picking this up a week late...... but...
By Transparent , 3 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@tomasmcguinness HI, The rules is a best practise, the ...
By ASHP-BOBBA , 4 days ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@cathoderay how did you get a script to run for that- d...
By benson , 4 days ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
@ashp-bobba thank you, and equally so, thank you for ta...
By Mars , 5 days ago
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@judith good to know… I’ll continue to feed Wattson, an...
By Mars , 6 days ago