
7
Component identification
1. High, PSI limit switch:
This is a backup safety
feature, if the system pressure exceeds the set
pressure this device will stop the burner from firing.
2. Flow Switch:
Mechanical device that senses water
flow.
3. Heating Coil:
Steel piping wound together with an
inlet for incoming cold water and outlet for hot
water to exit.
4. Garden Hose Water Inlet:
Connection point for
standard garden hose. Garden hoses less than
100’ in length must have a minimum
inner diameter
of 5/8.” Garden hoses over 100’ in length must
have a minimum inner diameter of 3/4.”
5. Pump:
A device that moves fluid through a
combination of suction and displacement.
6. Diesel Fuel Tank:
Fuel storage container for diesel
fuels.
7. Diesel Fuel Cap:
Vented cover for fuel tank
.
8. Unloader:
Valve that regulates pressure and
directs flow into bypass when trigger is closed.
9. Motor:
Electric motor powers the pump.
10. High Pressure Outlet:
Connection point for the
high-pressure hose.
11. Fuel Filter / Water Separator
: Filter in fuel line
that removes water and screens out dirt and debris
from fuel.
12
.
Heat Exchanger:
Device that heats the water by
forcing a flame across steel pipe.
13
.
GFCI Cord:
Device provides additional protection
form the risk of electric shock.
14. Spray Gun:
Used to divert water out to nozzle.
15. Grip:
Section of wand to extend length and provide
stability.
16. Wand:
Rod to extend length.
17. Control Box:
Housing device for mounting
switches and machine controls.
18.
Power Switch:
Device for protecting circuit from
damage if overloaded or shorted.
19.
Heat Switch:
Control Device that limits the water
temperature.
20.
Temperature Sensor:
Control Device that limits
the water temperature.
21.
Nozzle Storage:
A space for storing nozzles.
22. Thermal Relief Valve:
Valve protects pump from
overheating.
23. Blower Assembly:
System provides air, fuel, and
ignition for combustion
.
24. Rupture Disc:
Safety device that will open and
relieve excess system pressure.
25. Flame Sensor:
Device for sensing if the burner
has a flame.
26. Quick Connector:
Connection point on spray gun
for high pressure hose.
27.
Total Start/Stop Switch
: Automatically shuts
motor off when not spraying.
Note: See “
Parts Explosion
” for additional detail
.
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