I presume a HepVo trap plumbed into an internal waste pipe can be used for the condensate outlet of a combi boiler?
But can the pressure relief valve outlet, using a tundish, go into a HepVo? If so, I presume again, it has to be a seperate HepVo.
But can the pressure relief valve outlet, using a tundish, go into a HepVo? If so, I presume again, it has to be a seperate HepVo.