THERMAL INNOVATIONS (UK) LTD | THERMAFLOW® ELECTRIC COMBINATION BOILER | Tel: 0870 850 5207
6
There are five water connections to be made when installing the Thermaflow, they are as follows:
1) Flow and return connections to the heating system are 22mm compression.
2) Cold water inlet-22mm compression.
3) Hot water outlet -22mm compression.
4) Pressure relief valve- 15mm compression with a 15mm Tundish.
5) The pressure relief valve connection should be used for no other purpose.