COASTER - Condensate Discharge


Postby htg engineer » Sun Oct 28, 2007 10:08 am

"condensing boilers are law and just to say they can be fitted anywhere the legal requirement states that in high rise or tall buildings the condesing pipe and pressure releife can be directed towards the building at the outlet"

So Coaster - condensate pipes can discharge outside as long as the pipes are directed towards the building ? sorry that's wrong, where did you get this info from ?

pressure relief valves - yes
condensate discharge pipes - no

the condensate produced is corrosive. Even discharging into a cast iron soil pipe has been questioned, but they say the flow of water off toilets and other sanitaryware will dilute the condensate.

If you install condensing boilers or are offereing advice to others - I suggest to read up on acceptable discharge arrangements.

And yes there are exceptions to installing condensing boilers. There is a point system in place to determine whether a non-condensing boiler may be installed.

Why would they have this if condensing boiler could be installed anywhere ? Myself and I bet many others would think it was great if a condensate pipe could discharge the same way as the pressure relief pipe.

They have to go into a soakaway (at least 1m from building), internal soil pipe, waste pipe, external drain or gully, or a rainwater hopper.
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Postby The Heating Doctor » Sun Oct 28, 2007 7:27 pm

I'm with htg engineer on this one, condensate has to be discharged as htg engineer has specified and no way can they be discharged free as you have suggested. If I had a design that need to be dicharged in to a Cast Iron pipe I would suggest a neutraliser to prevent the possible errosion. I'd rather pay the £40 than risk replacing cast iron. Some of your other advice seems a bit casual also, such as how to balance a heating system. How do you know all the same type of valve will be fitted on the same side of all the radiators in a htg system. Also there is rarely an excuse for money to be paid prior to the compleation of a job, only if a large project was to be installed over a number of mounths should stage payments be made. These should be at first, secound & third fix stages, the work should be carried out first and agreed payment values would be made upon completion of each these stages. Any reputable installer will have intrest free credit facilities with Builder/Plumbers merchants and will not them selfs have to pay for materials up front. SO MY ADVICE STANDS NEVER EVER PAY MONEY UP FRONT there is no need to do so with a reputable installer.
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Postby htg engineer » Wed Oct 31, 2007 3:38 pm

Coaster, are you a plumber / gas fitter / heating engineer ?

What makes you think sentinel or fernox descaler/cleanser, is actually fairy liquid ?
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