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ectoplasmosis
@ectoplasmosis
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Trusted Member
Joined: Sep 25, 2024
Last seen: Nov 12, 2025
Topics: 0 / Replies: 26
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RE: Antifreeze Valves

On the note of glycol performance effects; my Vaillant Arotherm Plus system is augmented with 10% Fernox HP5c additive. According to the manufacturer’...

1 year ago
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RE: Vaillant Arotherm yeild and COP readings

@yogabob Why then do the Vaillant 'CoP' figures more or less marry up with those obtained from independent monitoring systems, as per numerous records...

1 year ago
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