Safe me climbing on the roof.

[Dave Walker]

Evening all can anyone confirm weather or not this is a dergo valve or not. I have not come across one before and don't really

fancy getting up on the roof if I don't have to. Thanks

 

[Meady]

Looks more like a mushroom vent to me

Toolstation

 

[Dave Walker]

That's what I was thinking its some sort of vent. Thanks

 

[Grumpy old Plum]

Why would you put a dergo out side anyway

 

[Dave Walker]

I don't know but some people do strange things. Have you not seen the pluming hall of shame photos.

 

[Rabbitman]

That's just a vent........

 

[Ray Stafford]

+1 for the mushroom cowl.

I don't think its a Durgo. The sides of a durgo dont normally protrude like that. And as grumpy says, why would you?

 

[joni os]

As stated by others, its an open vent with mushroom cowl the belled out piece lower down is a storm collar to seal lead flashing.