Santon Premier Plus 150 - Page 11

11
Tundish
Balanced cold water draw-off
6 Bar Pressure Relief Valve (combined Expansion Relief Valve/Check Valve)
3.5 Bar Pressur
e Reducing
Valve incorporating Pressure Reducing Valve, Strainer,and Check Valve. (Stop cock can be fitted here)
MCWS to Kitchen (unbalanced cold mains supply)
Incoming Cold Water Main
KEY MCWS =
Mains cold water supply
HWS =
Hot water service
SC =
Stop Cock / Isolating Valve
DOC = Drain Off Cock
Discharge pipe to atmosphere
Isolating/Regulating Valves, as required
Temperature/Pressure Relief Valve
HWS supply
Balanced HWS and
MCWS to bathrooms, showers, cloakrooms, etc
DOC DOC
DOC
DOC
SC
SC
PremierPlus SystemFit
Fig 5 - Schematic installation diagram showing pressure reducing valve, pressure relief valve and positioning of cold balance
draw off.