7
INSTALLATION CHECKLIST
A.
INSPECTING AND PREPARING THE HEATER
Remove the cardboard box, which comes packaged with the
heater. It should contain the following: Thermostat, T&P valve
and “T” (no “T” for model S70DTPP), insulation, lid and screws.
B. LOCATION
Solid foundation and dry location.
Protect heater water lines from freezing.
Area free of flammable vapors.
Sufficient room to service heater.
Not in close proximity to wood burning stove.
Where leak will not damage property.
C. PROTECTION FROM WATER DAMAGE
Be sure to make provisions to protect area from water
damage if a leak should occur in the tank or connected
fittings.
D. RELIEF VALVE
Warning: Improper installation will present potential hazard
to life and property.
Check to be sure that proper relief valve requirements are met.
T&P installed as shown in Figures 1 and 2. (See Figure 3 for
S70DTPP)
3/4" discharge pipe
– properly protected from freezing and
restrictions.
No valve between tank and relief valve or in drain line.
Provision for hot water discharge from relief valve.
E. BOILER SUPPLY CONNECTIONS
R
eturn line (back to the boiler) connected to the “Hx Out” fitting.
Supply line (from the
boiler) connected to the “Hx In” fitting.
F. WATER SUPPLY CONNECTIONS (See Figure 1 & 2). (See Figure
3 for S70DTPP)
Do not over tighten brass threads.
Mark the water shutoff for future reference.
Do not apply heat to cold inlet.
If there is a check valve (sometimes in water meter),
backflow preventer or pressure-reducing valve, install an
adequate size expansion tank.
