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MODELS INCLUDED

   •

 WB-14-12

   •

 WB-14-60

CAUTION: Please use 

this setup procedure 

before attempting to use 

this appliance. Failure to follow the 

instructions can result in injury or the 

voiding of the warranty.

WARNING

 HOT LIQUID, 

Scalding may occur. 

Avoid splashing. 

WARNING: DO NOT 

place this water boiler 

closer than six [6] inches 

from wall. Unit must have 

adequate cross-ventilation.

CAUTION: DO NOT 

connect this unit to hot 

water. The inlet valve is 

not rated for hot water.

FOR THE LATEST SPECIFICATIONS AND INFORMATION GO TO WWW.WILBURCURTIS.COM

Service Manual – WB-14 Water Boiler

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Important Safeguards/Symbols

Symbols:

WARNINGS – To help avoid personal injury
Important Notes/Cautions – from the factory
Sanitation Requirements

This equipment is designed for commercial use. Any servicing 

other than cleaning and routine maintenance should be per-

formed by an authorized Wilbur Curtis Company service techni-

cian.

•   DO NOT immerse the unit in water or any other liquid
•   To reduce the risk of fire or electric shock, DO NOT open 

service panels. No user serviceable parts inside. 

•   Keep hands and other items away from hot areas of the unit 

during operation.

•   Never clean with scouring powders or harsh chemicals.

INSTALLATION

This Curtis unit is pre-set and ready to go from the factory. 

System Requirements:

 

• Water Supply :  20 – 90 PSI (Min Flow Rate 2 gpm)  • Electrical: Refer to Electrical Schematic.

Factory Settings: 

 

• Water Temperature:  200

ºF

 

• Water Volume: 14 Gallons

NOTE: A water filtration system must be used to help maintain trouble-free operation. In areas 

with extremely hard water, we highly recommend the use of a Curtis approved water filter. (For 

our full line of filters, please log on to www.wilburcurtis.com) A water filtration system will greatly 

prolong the life of the unit and enhance the quality and taste of the product.

SETUP STEPS

1.  The unit should be level (left to right - front to back), on a secure surface.  
2.  Install the supplied water faucet on the faucet shank in front of the unit.

NSF requires the following water connection:

1.  A quick disconnect or additional coiled tubing (at least 2x the depth of the unit) is required 

so that the unit can be moved for cleaning.

2.  This unit must 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 portable water supply shall be 

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

C

ISO 9001:2008 REGISTERED

WILBUR CURTIS CO.

6913 Acco Street,

  Montebello, CA 90640-5403

For the latest information go to 

www.wilburcurtis.com

Tel: 800/421-6150

Fax: 323/837-2410

Summary of Contents for WB-14-12

Page 1: ...LATION This Curtis unit is pre set and ready to go from the factory System Requirements Water Supply 20 90 PSI Min Flow Rate 2 gpm Electrical Refer to Electrical Schematic Factory Settings Water Temperature 200ºF Water Volume 14 Gallons NOTE A water filtration system must be used to help maintain trouble free operation In areas with extremely hard water we highly recommend the use of a Curtis appr...

Page 2: ...CTRIC THERMOSTAT VALVE INLET BRASS 50 GPM 120V 10W FOR WB 14 12 VALVE INLET BRASS 50 GPM 220V 10W FOR WB 14 60 REPAIR KIT INLET VALVE KIT HEATING ELEMENT 3 5KW 220V W JAM NUTS SLCN WSHRS THERMOMETER DIAL RU S Parts List Setup Steps Continued 3 Connect the water line to the water inlet fitting on the rear of the unit Water volume going to the machine should be consistent Use tubing sized sufficient...

Page 3: ...Illustrated Parts List 3 1 2 3 4 5 6 7 8 9 10 11 19 19A 13 14 15 12 16 17 18 20 21 22 ...

Page 4: ...lace the water filter Turn machine off Disconnect wires from water inlet coil terminals and connect a power cord to the terminals Plug cord into a 120V outlet and verify if water flows when plugged in and stops when power is disconnected If valve fails this test replace valve When the water level gets below the probe tip water should automatically refill the unit If not pull wire off the probe ter...

Page 5: ...ion Pull off the knob 2 Locate the tiny adjustment screw inside the stem see figure 1 Using a small screw driver adjust the temperature up or down a By turning the screw turn to the left will increase the temperature about 20 F b Turning to the right will decrease the temperature by 20 F c To set the thermostat precisely at 200 F insert a thermometer probe into the water jacket through the steam h...

Page 6: ...Electrical Diagram WB 14 12 6 ...

Page 7: ...Electrical Diagram WB 14 60 7 ...

Page 8: ...per voltage Equipment must be installed at the voltage stated on the serial plate supplied with this equipment 4 Improper water supply This includes but is not limited to excessive or low water pressure and inadequate or fluctuating water flow rate 5 Adjustments and cleaning The resetting of safety thermostats and circuit breakers programming and temperature adjustments are the responsibility of t...

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