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7. WHS PREMIER SERIES
PIPING INSTALLATION
DOMESTIC WATER PIPING
1. Thread the included brass tee onto the pipe marked COLD
WATER.
2. Screw the drain valve into the opposite end of the brass
tee
3. Connect the cold water supply to the remaining port on the
brass tee
4. Thread the included T&P Safety Relief Valve into the offset
3
/4” port on the top plate. Install a blowdown tube to within
6 inches of a floor drain or as directed by plumbing code.
5. Connect the center hot water outlet port on the top plate to
the domestic hot water system.
6. Make an 8-inch “heat trap” as shown in the diagram. This
will reduce standby losses from heat migrating up the
piping.
7. When all domestic water piping is complete, open the cold
water supply and allow some water to enter the tank. Look
and listen for signs of leaks and repair as necessary before
continuing.
Note: If installing on a city supply, ensure a dedicated
Thermal Expansion tank (Therm-X-Trol
®
or equivalent) is
used.
BOILER PIPING
1. Plumb the circulator or zone valve on the BOILER SUPPLY
line. If using a separate circulator, the pump flange
can be mounted directly to the threaded pipe marked
BOILER SUPPLY. Alternately, the circulator can be placed
anywhere on the boiler supply line.
2. Pipe the BOILER RETURN connection to the boiler return
line.
Be sure the return line is NOT
plumbed to the suction side of any
heating circulators. This may require moving the
heating circulator off the boiler tapping on packaged
boilers. Failure to do so will result in overheating and
tank damage when the heating system is in
operation.
3. Install a weighted flow check on the boiler return line. This
is not necessary on systems utilizing a zone valve to control
the BoilerMate
®
temperature.
4. After completing the boiler piping, slowly open the boiler fill
valve and pressurize the BoilerMate
®
loop. Check for leaks
and repair as necessary. Proceed to the appropriate wiring
section in this manual.
If installing on city water supply a
properly sized THERM-X-TROL
®
is
required with the BoilerMate
®
and should be installed as set
forth in the THERM-X-TROL
®
product installation manual.
LEFT SIDE ............1”
RIGHT SIDE ...........1”
TOP .................9”
REAR ................1”
FLOOR ...............0”
FRONT ...............1”
Clearance From Combustible Surfaces
LEFT .................12”
RIGHT................12”
FRONT ...............30”
HEAD ROOM ..........36”
REAR ................1”
Recommended Clearance For Servicing
HOT WATER OUTLET
BOILER RETURN (Top Left)
BOILER SUPPLY (Top Right)
T&P RELIEF VALVE
COLD WATER INLET
(Bottom Center)