Advice on condensate

[dmheat]

Hi all

Ive never had this issue before, I'm unable to ascertain via LA building control whether the drains are combined or separate, and thames water want me to buy a drain map of the entire area that will tell me?! I can't access a manhole,there appears to be a ropey "extension" over it, the internal wastes are not accessible, and not plastic, well kitchen sink is but the boiler is in the loft on the other side of the house.

All in all....a right pain in the backside.

Boiler is on gable end, end of terrace, there's a concrete path alongside the property and then public field. Got a feelin I might have to get the sds max out and smash this path to bits for a Soakaway.

Or failing that, is it ACTUALLY allowable to use a condensate neutraliser and go into a RWP considering I don't know if it's combined? No MI's state this as allowable, some say a neutraliser can be used, but never then go on to say, this allows termination into rainwater drains etc

Whole jobs been a pain

thanks

Dan

 

[newcastle phill]

Not possible to see what other houses have done in the area ???

 

[dmheat]

Not possible to see what other houses have done in the area ???

Yes mate, most of the fellow terraced houses along the street have condensing boilers fitted, you can see vert flues or horizontals fitted in front bedroom. Half of them have run a separate 32mm pipe down to ground (Soakaway) the others have come straight out the front wall and whacked straight into 68mm RWP. Mostly in 21.5mm externally, which makes me think the people that have sized it correctly, have done it properly and put it to a Soakaway...

 

[dmheat]

Unless of course....we have confirmation a neutraliser, into a RWP is permissible? Not just iron soil pipes etc...in which case I'll do the same, but sized correctly and actually with an air gap

 

[lame plumber]

me thinks your fussing too much, stick in a combi pump and keep it internal if your worried

 

[tamz]

If you're fitting a neutralizer here is what BS6798 says

4.3.5 In-line condensate neutralizer devices
Where an in-line neutralizer device is fitted in the condensate line:
a) the boiler manufacturer’s installation instructions shall allow that
such a device can be fitted;
b) the flow rate through the device shall be compatible with
the condensate flow rate stated by the boiler manufacturer’s
instructions;
c) the installation instructions supplied with the neutralizer device
shall include advice on the effective life of the neutralizing agent,
temperature limitations and method of replacement;
d) details of this effective life shall be prominently and durably fixed
to the outside of the boiler casing by the operative and shall
clearly state that it is the responsibility of the customer to ensure
that a suitable service regime is in place;
e) the restrictions on condensate drainage pipe material in 4.3.3 and
the discharge arrangements specified in 4.3.4.1 shall continue
to apply, unless the system is designed to automatically turn
off the boiler in the event of the neutralizing agent no longer
neutralizing the condensate, and requires a qualified operative to
restart the boiler.
COMMENTARY AND RECOMMENDATION ON 4.3.5
Unless the neutralizing device automatically shuts off the boiler as
described in item e) (because there is no guarantee that the customer will
have a suitable service regime in place) then, if the drainage pipe fitted
to the outlet of the device be other than specified in 4.3.3, it is likely the
drainage pipe will corrode and perforate and the acidic condensate will
be inappropriately discharged.

Much easier to use a pump as lame said or stick a soakaway on for all the time it will take to dig a hole

 

[dmheat]

Soakaway on to public green?

 

[jonny5isalive]

If you're fitting a neutralizer here is what BS6798 says

4.3.5 In-line condensate neutralizer devices
Where an in-line neutralizer device is fitted in the condensate line:
a) the boiler manufacturer’s installation instructions shall allow that
such a device can be fitted;
b) the flow rate through the device shall be compatible with
the condensate flow rate stated by the boiler manufacturer’s
instructions;
c) the installation instructions supplied with the neutralizer device
shall include advice on the effective life of the neutralizing agent,
temperature limitations and method of replacement;
d) details of this effective life shall be prominently and durably fixed
to the outside of the boiler casing by the operative and shall
clearly state that it is the responsibility of the customer to ensure
that a suitable service regime is in place;
e) the restrictions on condensate drainage pipe material in 4.3.3 and
the discharge arrangements specified in 4.3.4.1 shall continue
to apply, unless the system is designed to automatically turn
off the boiler in the event of the neutralizing agent no longer
neutralizing the condensate, and requires a qualified operative to
restart the boiler.
COMMENTARY AND RECOMMENDATION ON 4.3.5
Unless the neutralizing device automatically shuts off the boiler as
described in item e) (because there is no guarantee that the customer will
have a suitable service regime in place) then, if the drainage pipe fitted
to the outlet of the device be other than specified in 4.3.3, it is likely the
drainage pipe will corrode and perforate and the acidic condensate will
be inappropriately discharged.

Much easier to use a pump as lame said or stick a soakaway on for all the time it will take to dig a hole

I would like this but it means that im going to have to run 20m of condensate round a hexagonal room and down three stories to a pump rather than the neutralised 5m run into what looks like a plastic soil stack but is actually the internal run of a RWP.

Live and learn i suppose.

 

[AlexGas]

Soakaway on to public green?

Why not?

 

[Ermintrude]

Not your land

 

[lame plumber]

belongs to everyone