Santon PremierPlus - Page 11

To hot outlets
Primary ow
Primary return
T&P relief
valve
Expansion
vessel
Balanced cold
water connection
(if required)
Cold water
combination
valve
Mains water
supply
Isolating valve
(not supplied)
Discharge
pipe
Tundish
Drain cock
(not supplied)
Secondary return
(if required)
use swept tee
Inlet
NOTE: Primary heating coil
tted on PP100B to PP300B
models only
Boost element/
control housing
(PP120E to PP300E
models only)
Element/
controls
housing
Fig 6 - Typical installation - schematic
11
For notes on secondary circulation please see page 6