2
3. pLUMBInG connecTIonS
A service valve should be fitted to allow / facilitate future maintenance.
THe SUppLIed 6 BAR pReSSURe ReLIeF VALVe MUST ALWAyS Be
FITTed. THeRe MUST Be no oBSTRUcTIonS In THe
pIpeWoRK BeTWeen THe HeATeR And THe ReLIeF VALVe.
THe ReLIeF VALVe MUST dIScHARGe To A SAFe And VISIBLe
pLAce.
The hot and cold fittings are ½” BSP and are at the top of the unit. These
connections are colour coded (blue = cold, red = hot). They are not
interchangeable.
The final connection of the Speedflow to pipework should be implemented with
flexible stainless steel hoses.
open HoT WATeR TAp And ALLoW WATeR To RUn
THRoUGH FoR AT LeAST 5 SecondS To cLeAR AIRLocKS.
Depending on the installation circumstances, other accessories may be required.
If required, these must be ordered separately and are installed as shown on the
diagrams below and on the next page. Water pressure can increase considerably
at night when demand is low, so a pressure reducing valve may be required even if
there is no obvious problem at installation.
DIAGRAM A - pressure below 4.2 bar
no accessories needed
