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Andrew Smith
Andrew Smith, Plumber
Category: Plumbing
Satisfied Customers: 3629
Experience:  City and Guilds qualified plumber
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do i need to put vent out side if 1 bathroom 1 manhol i have

Customer Question

do i need to put vent out side if 1 bathroom 1 manhol i have 3 bathroom and 3 manhols 1 each side of my house i have dargos on each bathroom 3 bathroom 3 dargos all drains are working good if i sale my house i need to show this is ok to new owner he wants to see for vent answer dargos ok or no thanks
Submitted: 4 years ago.
Category: Plumbing
Expert:  Andrew Smith replied 4 years ago.
The vent pipe is supposed to be at the head of each drain run.
If you have a full size Durgo fitted then there is no need to vent to atmosphere.
Durgo valves also require air as it is an air admittance valve, so they should not be boxed in and should not be fitted outside exposed to frost.