If you have incompatible fittings, and it seem like a good idea to save some time and money and try to fit them together…please reconsider as it will cost a lot more in the long run. More information click here Plastic Pipe Fitting
In the case of pipes and fittings not being compatible and the gap in the joint being too big, the resulting bond will end up incomplete, as the amount of plastic melted by the solvent cement will not be able to fill the void. For more informaton and click extremely trained Essex Plumbers