Boilers internal condensate trap

[Matt0029]

Has anyone seen it become an issue where a boilers condensate pipe. Is tee'd in to a 40mm waste pipe that also takes say a sink waste. And the waste pipe pulling the trap out of the boiler as the sink discharges?

 

[garygvl]

Has anyone seen it become an issue where a boilers condensate pipe. Is tee'd in to a 40mm waste pipe that also takes say a sink waste. And the waste pipe pulling the trap out of the boiler as the sink discharges?

issue on new builds with no open drains anymore

 

[Darren Jackson]

Can't say as I've ever come across it yet. Are you experiencing it much?

 

[ShaunCorbs]

Yes some manufacturers say you need to have an air break if that occurs

 

[Harvest Fields]

I think most recommend air breaks now don’t they mate?

 

[Scott_D]

Can you add a mini aav under the sink?

 

[Matt0029]

Can you add a mini aav under the sink?

Add it as part of the sink trap?

 

[Scott_D]

Add it as part of the sink trap?

You would probably need to re pipe and tee upto underneath the sink and fit one of these

McAlpine VP2 Air Admittance Valve

1 1/2" multi-fit outlet.

www.toolstation.com