Hot indirect cylinder vent All aspects of plumbing questions and answers, help, tips and information

[hamish72]

Is it really necessary for the vent pipe from the cylinder top to supply tank in attic to be completely vertical ?

I would like to route it about 8 inchs horizontally to the rear of the cupboard to provide clear space on shelves they do after all turn through 180 degrees to enter the cold tank

[plumbbob]

No it does not need to be always vertical. It just needs to offer an escape route for air or boiling water.

[hamish72]

Thats just what I want to hear thanks for reply