
Installation & Operation Manual
12
2
Prepare water heater
Remove water heater from wood pallet
1. After removing the outer shipping carton from the water
heater, remove the parts box.
2. To remove the water heater from the pallet remove the
four (4) lag bolts located at the front and rear of the unit
(FIG. 2-1).
Do not drop the water heater or bump the
jacket on the floor or pallet. Damage to
the water heater can result.
For a water heater already installed, you
must turn off gas supply, turn off power
and allow the water heater to cool before
proceeding. You must also completely test
the water heater after conversion to verify
performance as described under Start-
up, Section 11 of this manual. Failure to
comply could result in severe personal
injury, death, or substantial property
damage.
RIGHT
LAG BOLTS
(QTY. 2)
LEFT
LAG BOLTS
(QTY. 2)
DIR #2000585120 00
Figure 2-1
Water heater Mounted on Shipping Pallet
Gas conversions
NOTICE
⚠
WARNING
Models 400-1000 (Venturi w/ LP Orifices)
1. Remove the front access panel from the unit (no tools
required for removal).
2.
For Models 400-500:
Disconnect the air inlet piping from
the venturi by loosening the band clamp around the rubber
boot coupling. Slide the rubber boot off of the venturi.
For Models 650-1000:
Disconnect the venturi from the air
box by removing the four (4) bolts securing it to the air box.
3.
For Models 400-500:
Disconnect the gas piping from
the venturi by loosening the threaded nut on the venturi.
Replace gasket if damaged.
For Models 650-1000:
Disconnect the gas piping from the
venturi by removing the four (4) bolts securing the pipe to
the venturi.
4. Remove the bolts connecting the venturi to the fan. Remove
the natural venturi from the unit (FIG. 2-2a and 2-2b).
5. Install the LP venturi onto the fan taking note of the
following:
a.
The UP arrow on the plastic housing is indeed pointing
up.
b.
The connection for the gas piping is facing towards the
top of the unit. Reinstall the bolts connecting the
venturi to the fan.
6. Reassemble the gas pipe to the venturi. Install the new
gasket provided in the kit and ensure it is seated properly
before tightening.
7.
For Models 400-500:
Reconnect the rubber boot on the air
inlet to the venturi inlet and tighten the band clamp at this
connection.
For Models 650-1000:
Reinstall the four (4)bolts connecting
the venturi to the air box and tighten.
8. After installation is complete, attach the propane conversion
label (in the conversion kit) next to the appliance rating
plate. Attach the LP caution label (in the conversion kit) to
the rear of the appliance underneath the gas supply piping.
9. Replace the front access panel removed in Step 1 and resume
operation.
⚠
DANGER
Inspect the O-ring when the blower is
disassembled. The O-ring must be in good
condition and must be installed. Failure to
comply will cause a gas leak, resulting in
severe personal injury or death.
DIR #2000582947 00
SCREWS
QTY. 3
O-RING
ORIFICE
(500 MODELS ONLY)
BLOWER
O-RING
VENTURI
Figure 2-2a
Installing Propane Orifice - Models 400-500
DIR #2000582948 00
BLOWER
O-RING
SCREWS
QTY. 4
VENTURI
SCREWS
QTY. 7
GASKET
NUTS
QTY. 4
Figure 2-2b
Installing Propane Orifice - Models 650-1000