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WARNING

 HOT LIQUID, 

Scalding may occur. 

Avoid splashing. 

   

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WILBURCURTIS.COM

MODEL

• 

WB-14-11

ISO 9001 REGISTERED

C

CAUTION: 

Please use 

this setup procedure 

before attempting to use 

this brewer. Failure to follow the 

instructions can result in injury or the 
voiding of the warranty.

Service Manual – Water Boiler 14 Gallon Gas 

The Curtis Water Boiler is Factory Pre-Set and Ready to Go… Right from the Carton.

Factory Settings:

 

• Brew Temperature = 200°F 

 

• Volume = 14 Gallons

System Requirements

  • Water Source: 20 – 100PSI (Min Flow Rate of 1 GPM)        • Electrical: 120VAC, 3 Amps

Equipment to be installed to comply with applicable federal, state, or local plumbing/electrical codes having jurisdiction.

SETUP STEPS

1.  Place unit at counter height. on a firm, level base, in such a way that it can be connected to water and 

power supply. The urn must be away from wall no less than 6” and must have plenty of cross ventilation.

2.  Install the water faucet.

3.  Connect water line to inlet fitting on valve. It is recommended that some type of water mineral reducing 

filter be used in the water line before entering the unit. Water pressure entering brewer is required to 

be stable and must provide minimum of 1 gallon per minute. Use water regulator for constant pressure. 

Required water pressures, 20 to 100 psi. The water supply connection: All that is needed is 1/4” copper 

tubing with a 1/4” flare nut and some sort of water filter in the line before water enters the unit. 

4.  Once the water connection is complete, open the water line, then plug in the power cord into an 115V 

outlet. Water must be above the base of the gauge glass before turning on the heat.

This appliance is designed for commercial use. Any servicing other than cleaning and maintenance should be 

performed by an authorized Wilbur Curtis service center.

 

• To reduce the risk of fire or electric shock, do NOT open side or bottom panel. No user serviceable    

 

  parts inside. 

 

  Repair should be performed only by authorized service personnel.

 

• Keep hands and other items away from hot parts of unit during operation.

 

• Never clean with scouring powders, bleach or harsh implements.

Important Safeguards/Conventions

NSF International requires the following water connection:

1. A quick disconnect or additional coiled tubing (at least 2x the depth of the unit) so that the ma-

chine can be moved for cleaning underneath.

2. This equipment is to be installed with adequate backflow protection to comply with applicable    

  federal, state and local codes..

3.  Water pipe connections and fixtures directly connected to a potable water supply shall be sized, 

installed and maintained in accordance with federal, state, and local codes.

W

ilbur

 C

urtis

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ompany

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WARNING: 

DO NOT 

place this urn closer than 

six [6] inches from wall. 

Urn must have adequate 

cross-ventilation.

CAUTION: 

DO NOT 

connect this urn to hot 

water. The inlet valve is 

not rated for hot water.

Conventions

WARNINGS – To help avoid personal injury

Important Notes & Cautions

Sanitation Requirements

GAS CONNECTION

Waterboiler units are supplied with a 3/8” pressure connector at the end of the gas valve. This valve is con-

nected to the thermostat. Use 3/8” O.D. stainless steel flex tubing to make the connection from the urn to 

the gas valve in your facility. When the connections are complete, turn the gas on. Check the line for leaks.

MAIN BURNER ADJUSTMENT (GAS INPUT)

To adjust the main burner flame, turn the screw under the gas cock handle in either direction to regulate the 

flow of gas to the main burner.

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