Blue GWU511A, GWU501E User Manual
Cleaning Instructions,
Replacing Pilot and
Control Valve
Series: GWU501E, GWU511A
For assistance call: 1.800.762.1142
Tools Required for Assembly:
8 mm open end wrench
9 mm open end wrench
10 mm open end wrench
12 mm open end wrench
17 mm open end wrench
3/4” open end wrench
# 2 Phillips screw driver
Pliers
Compressed air – canned or
compressor with a hose
Soft bristle brush
1. Installation and repairs
should be done by
a qualified service
person.
2. Use only Blue Rhino Global
Sourcing, Inc. factory
authorized parts. The use
of any other part that is not
factory authorized can be
dangerous and will void
your warranty.
3. Do not use flammable
solutions or material to
clean heater or heater
1/2” open end wrench
5/8” open end wrench
Brass brush
Heavy-duty pipe cleaners
Non-abrasive Scouring Pad
Leak test solution: 1 part liquid soap
and 3 parts water
parts. Use only warm
soapy water to clean
outside of heater.
4. Do not submerge control
valve in water.
2Cleaning Instructions, Replacing Pilot and Control Valve • Series: GWU501E, GWU511A
For assistance call: 1.800.762.1142
Step 1 – 6
1. For assistance call 1.800.762.1142 toll free. Please have your owner’s manual and model number available
for reference.
For Easiest Assembly:
• To avoid losing any small components or hardware, assemble your product on a level surface that does
not have cracks or openings.
• Clear an area large enough to layout all components and hardware and that is soft to not scratch or
damage any surface finishes.
• When applicable, tighten all hardware connections by hand first. Once the step is completed go back and
fully tighten all hardware while being cautious not to over tighten to avoid damaging surfaces or stripping
hardware.
• Follow all steps in order to properly assemble your product.
2. Turn off heater per “Turning Off” instructions in owner’s manual.
3. Disconnect LP gas tank per “Disconnect LP Gas Tank” instructions in owner’s manual.
4. Make sure heater is completely cool (at least 45 minutes after use) before proceeding.
5. Remove dome per instructions in owner’s manual.
6. Remove engine from post per instructions in owner’s manual.
3Cleaning Instructions, Replacing Pilot and Control Valve • Series: GWU501E, GWU511A
For assistance call: 1.800.762.1142
Step 7
(1 shown)
1. Remove the emitter screen: there are 4 phillips head screws that hold the emitter screen (the section that gets hot)
to the emitter bottom. Remove these screws then remove the emitter screen. Set aside for later reinstallation.
2. Remove the control knob.
3. Remove the engine/emitter assembly front access panel by unscrewing the black thumb screw (located near the
post connection)
4. Disconnect the igniter wire from the igniter box.
4Cleaning Instructions, Replacing Pilot and Control Valve • Series: GWU501E, GWU511A
For assistance call: 1.800.762.1142
Step 8
Clean the carbon build-up off the inside of the emitter bottom with a non-abrasive scouring pad or bottle brush. Clean
the outside of the emitter bottom with the scouring pad.
DANGER: Never use any flammable solutions or material to clean heater or heater parts. Use only a mild soap
and water solution.
Do not to soak the valve.
5Cleaning Instructions, Replacing Pilot and Control Valve • Series: GWU501E, GWU511A
For assistance call: 1.800.762.1142
Step 9
To remove the burner, hold the burner supply tube nut in place with an # 10 mm open-end wrench to prevent it from
moving. At the same time, using another # 12 mm open-end wrench unscrew the burner nut from the burner. With the
nut loose, lift the burner out of the valve housing. Use care not to damage the supply tube or any of the wires for the
thermal-couple.
6Cleaning Instructions, Replacing Pilot and Control Valve • Series: GWU501E, GWU511A
For assistance call: 1.800.762.1142
Step 10
To remove the burner supply tube, unscrew the brass nut which attaches the burner supply tube to the burner bracket.
Be careful not to damage the burner.
7Cleaning Instructions, Replacing Pilot and Control Valve • Series: GWU501E, GWU511A
For assistance call: 1.800.762.1142
Step 11
Insert bottle brush into venturi tube and give a couple of twists. This will clear any debris or spider webs from the
venturi tube.
8Cleaning Instructions, Replacing Pilot and Control Valve • Series: GWU501E, GWU511A
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