Unvented cylinder in loft - terminating tundish

[gmartine]

What would folks usually opt for easiest route to soil stack?

 

[ShaunCorbs]

Tesla tundish and push fit pipe and go the easiest way

 

[Stigster]

Polypipe pushfit is what I use. Tesla tundish as Shaun says.

 

[Scott_D]

Mupvc
Williams sell in 32mm

 

[gmartine]

That's gonna be ugly busting out of a soffit as well as putting a fall on the pipe right across the boarded out loft, any other way?

 

[MOSSEP]

I think more details of your specific job would be needed to give any better advice

 

[gmartine]

Not sure what else to add. It's an unvented cylinder install in the loft of a two bathroom extended semi-detached. I've only ever put them in cylinder cupboards, garages and utility rooms.

 

[Stigster]

Not sure what else to add. It's an unvented cylinder install in the loft of a two bathroom extended semi-detached. I've only ever put them in cylinder cupboards, garages and utility rooms.

32mm pipe gives you plenty of options with regard to distance and bends. If not you are looking at doing it in copper tube for a neater look.

 

[gmartine]

Ill need to check with client for load bearing walls to reposition it, a shorter run in copper does seem a better and neater option.
[automerge]1581964112[/automerge]

32mm pipe gives you plenty of options with regard to distance and bends. If not you are looking at doing it in copper tube for a neater look.

I've just found a figure for the fall required (1:200), is that right?

 

[ShaunCorbs]

Only other way is to pump it but best part of 500 smacks

cant you get into a drain somewhere? down into the airing cupboard and into the bathroom or any soil vents in the loft ?

 

[gmartine]

Not really but a bathroom is going to be completely redone back to brick so I could bury a pipe and have it coming out next to SVP.

 

[Stigster]

Ill need to check with client for load bearing walls to reposition it, a shorter run in copper does seem a better and neater option.
[automerge]1581964112[/automerge]


I've just found a figure for the fall required (1:200), is that right?

Yes, the fall on the D2 must be a minimum 1:200

 

[Scott_D]

Boss copper into the stack?
With a hot tun or Tesla tun at the cylinder?

 

[gmartine]

Boss copper into the stack?
With a hot tun or Tesla tun at the cylinder?

Think so, yes. XXXXXXX

 

[Stigster]

If you have access to the stack then why not? That's a good solution. Alternatively you can take the D2 outside and down to the ground (must terminate within 100mm of ground level) and put a little protective cage around the end of the pipe as per regs. Obviously depending on where this is on the building it can look ugly but at the side or around the back I have found most customers don't mind the pipe showing. This also allows you to fully comply with the "Discharge visible at two points" part of the regs.