Do all boilers of this type leave all that crap in the sump? and block the drain?, I assume they do, but will some educated person explain why???, this has to happen ? thanks, maybe a daft question to you, but, i'm a NEED to know person sometimes. 
condensing boiler
- Thread starter libby lou lou
- Start date
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Generally those boilers that use an ally heat exc are the worst culprits , they are slowly dissolving !
If you go into my pictures you will see an extreme example of flue gas condensate corrosion on a ally heat exc'
Always opt for stainless steel !!
If you go into my pictures you will see an extreme example of flue gas condensate corrosion on a ally heat exc'
Always opt for stainless steel !!
M
mysteryman
... and weather compensation. It's crazy to fit a condensing boiler without it!
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