
34
R W X X R C
P
N
H
R
W
Zoning Pump
NOTE
Outdoor furnace water
temperature setpoint should
be set at 185˚F minimum.
NOTE
A pump must be installed in the hot
supply line between the outdoor furnace
and thermostatic valve.
RC
Y
W
B
R
O
RH
G
W
24-Volt Thermostat
FAN
TIME PRGM RUN HOLD
SYSTEM
COOL
ON AUTO
OFF HEAT
This horizontal assembly
must not exceed a height
of 4 inches above top of
water heater.
3 103
90º, 1" Street Elbow
Qty p/n
Description
5 118
3/4" Close Nipple
1 126
90º, Brass, 3/4" Street Elbow
7 138
1" Sweat Tee
9 164
3/4" FIP to 1" Sweat Adapter
2 6054
Temperature Gauge
2 180
1/8" x 3/4" Bushing
1 8200008 24-V Wall Thermostat
1 224
3/4" Pump Isolation Flange Kit
1 327
3/4" Mixing Valve
1 5800011 007 Zoning Pump
2 1329
Three Branch Valved Manifold
2 1331
1" x 1", Sweat to PEX Adapter
1 1349
Two Branch Valved Manifold
Qty p/n
Description
4 199
3/4" Ball Drain Valve
2 1885
Three Branch Manifold, 1/2" Out
1 2053
W-to-W Heat Exchr Fittings Kit
ON / OFF switch must
be in the "ON" position
for this install.
NOTE
1 556
Power Supply Cord, 32"
1 591
Water-to-Water Heat Exchanger
1 1880
Two Branch Manifold, 1/2" Out
Installer must comply with all
applicable codes and regulations.
NOTE
Supply
Return to Outdoor Furnace
Optional Thermostatic Valve
Return
1/2" Central PEX
1" Central PEX
®
Top
View
Water
Heater
591*
*Note: The fittings
kit for installing
p/n 591 is p/n 2053
Hot Supply from Pump on
Outdoor Furnace
NOTE
138
118
Cold
164
126
164
138
8200008
1" Copper
Tubing
118
164
5800011
Mix
Hot
327
556
Top
View
164
103
199
The amount of 1/2" PEX will
vary depending on installation.
Installation uses approximately
10' of 1" copper.
164
180
138
Top
View
6054
1329
1329
1349
1885
1885
1880
If heating loops are above manifolds (p/n
1329, 1349, 1880 and 1885) additional con-
trols may be needed to prevent ghost flow.
NOTE
6054
138
224
164
118
224
4 x Pipe Dia. Max.
(e.g., for 1" pipe, fittings must
not be more than 4" apart)
NOTE
Radiant Heat Single Zone
Fig. 44
Optional
Valves
70 Plate
Heat Exchanger
Heated
Water Outlet
Commercial
Water Heater
Y-Strainer
NOTE
Installer must comply with all applicable
codes and regulations.
NOTE
Outdoor furnace water
temperature setpoint should
be set at 185˚F minimum.
NOTE
A pump must be installed in the hot
supply line between the outdoor furnace
and thermostatic valve.
Optional 1-1/4"
Thermostatic Valve
1-1/4" PEX
Return to
Outdoor Furnace
Hot Supply from Pump
on Outdoor Furnace
Wraparound Pump
runs continuously
circulating through the
water-to-water heat
exchanger maintaining
the water temperature
in the existing boiler.
006 Pump
(p/n 175)
High Volume Water Heating
(shown with 1-1/4" components)
Fig. 45
Section 6 - System Installation