atiston Europrisma water heater

[Dave Walker]

evening all
might be a daft question but hopefully all i need is reasurance. i have been asked to move a water heater in a cafe that has been what really should be a walk way so its causing a bit of trouble in its current location. the unit is a undersink unit and the new possion would be a oversink possion. my question is what is the diffrence beetween a under sink and oversink unit is it just the connection points or is there any other reason why i could not fit this over the sink.

 

[jase158]

maximum of 600mm from outlet to tundish (no tundish in video)
and outlet of tundish should be one size greater then inlet
and the discharge pipe must have a vertical section of pipe at least 300 mmin length, below the tundish before any elbows or bends in the pipe work.

 

[lbp plg & htg]

Thats what threw me - 500mm im sure it should be. The problem is you will never get an answer as to whether its 500mm as the crow flies or 500mm of pipe.

 

[buckley plumb]

depends if its the 10 litre or 15 litre wether it needs tundish or not go onto ariston site and download manual.last time i did unvented was told its now 600mm not 500 as with everything in gas and plumbing no one seems to tell the training centres

 

[jase158]

depends if its the 10 litre or 15 litre wether it needs tundish or not go onto ariston site and download manual.last time i did unvented was told its now 600mm not 500 as with everything in gas and plumbing no one seems to tell the training centres

thats where i got 600mm from, but thats a maximum, so if you are doing 500, then fine
and i looked on the instructions and it is both that needs tundish, otherwise you wont know if its got a problem would you!!