
10
Potable Water Systems
The 018 and 025 models can be equipped to provide
domestic hot water generation. An optional factory-
installed hot water generator coil may be provided with the
040, 050, 060, and 075 to assist with this process.
LOAD PUMP
HYDRONIC
LOAD
Source OUT
P/T Ports
P/T Ports
Ball Valve
Dielectric
Unions
Dielectric
Unions
NOTES:
*
A 30 psi pressure relief valve (Part No: SRV30) should be used in
hydronic applications.
** Vent valve or P/T port at highest point in return line prior to ball valve.
1-1/2 in.
FPT
Expansion
Tank
Air
Vent
Pressure
Gauge
30 psi
RELIEF VALVE
Air
Separator
FROM
HWG
TO
HWG
Back Flow Preventer /
Pressure Relief Valve
Source IN
GEO
STORAGE
TANK
PUMP
HOT
(Piped in
series to
an electric
water heater)
COLD
DOMESTIC
Dip Tube
Ball Valve
Vent Valve/
P/T Port**
Suggested Domestic Water Heater Hookup
AFFINITY SINGLE STAGE HYDRONIC INSTALLATION MANUAL
Summary of Contents for YAWS018 - 075
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