Vent Axia Sentinel - Condensate drain noise

andyd12 · 2025-11-18 15:22:49

I have a Vent Axia Sentinel MVHR unit. The 22mm condensate pipe from the unit drops into a 32mm waste pipe, downstream a safety valve tundish is piped into the same drain. Through the tundish, I can hear the unit gurgling, which is pretty annoying. I have removed the unit cover and tried to drain as much as possible but it…

18-11-2025 03:22PM

#1

andyd12

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I have a Vent Axia Sentinel MVHR unit. The 22mm condensate pipe from the unit drops into a 32mm waste pipe, downstream a safety valve tundish is piped into the same drain. Through the tundish, I can hear the unit gurgling, which is pretty annoying. I have removed the unit cover and tried to drain as much as possible but it keeps coming back.
Has anyone come across similar?

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#2 22-11-2025 01:33PM

Yellow_Fern

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can you use pipe sound insulation?

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