Solar Thermal Information

45
circulator
circulator w/
isolation flanges 
circulator w/
internal check valve
& isolation flanges 
gate valve
globe valves
ball valve
thermostatic
radiator valve
thermostatic
radiator valve
strainer
primary/secondary
fitting
cap
hose bib
drain valve
diverter tee
union
pressure gauge
diaphragm-type 
expansion tank
3-way motorized
mixing valve
4-way motorized
mixing valve
swing check valve
spring loaded
check valve
purging valve
metered
balancing
valve
pressure
relief
valve
brazed 
plate
heat 
exchanger
Modulating / condensing boiler
conventional boiler
indirect water heater (with trim)
GENERIC COMPONENTS
pressure &
temperature
relief valve
CALEFFI COMPONENTS
Modulating tankless water heater
solar collector array
DISCAL central
air separators 
backflow preventer
pressure
reducing
valve
zone valve
(2 way)
zone valve
(3 way)
float -type
air vent
3-way 
thermostatic mixing
valve
flow-check valve
differential 
pressure
bypass valve
Hydro
Separator
Hydrolink
(3 configurations)
manifold station with
balancing valves
pressure
relief valve
air & dirt
separator
DIRTCAL
dirt separator
high temperature
solar DISCAL 
air separators 
high temperature
solar pressure
relief valve
high temperature
solar air vent
high temperature
solar 3-way thermostatic
mixing valve
high
temperature
solar 
expansion
tank
isolar 
differential
temperature
controller
Autoflow
balancing
valve
high temperature
shut-off valve for
solar air vent
solar
circulation
station
APPENDIX A: Piping Symbol Legend