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www.desatech.com

5

119171-01E

REpLACEMENT pARTS

Note: 

Use  only  original  replacement  parts. 

This will protect your warranty coverage for 
parts replaced under warranty.

PARTS UNDER WARRANTy

Contact authorized dealers of this product. If 
they can’t supply original replacement part(s), 

call DESA Heating Products’ Technical Ser-
vice Department at 1-866-67-6040.

When calling DESA Heating Products, have 

ready
•  your name
•  your address
•  model and serial numbers of your heater 
•  how heater was malfunctioning
•  type  of  gas  used  (propane/LP  or  natural 

gas)

•  purchase date

Usually, we will ask you to return the part to 

the factory.

PARTS NOT UNDER WARRANTy

Contact authorized dealers of this product. 

If  they  can’t  supply  original  replacement 

part(s),  either  contact  your  nearest  Parts 

Central  (see  page  7)  or  call  DESA  Heat-
ing Products at 1-866-67-6040 for referral 
information.

When calling DESA Heating Products, have 

ready
•  model number of your heater
•  the replacement part number

SERVICE HINTS

When Gas Pressure Is Too Low

•  pilot will not stay lit
•  burner will have delayed ignition

•  heater will not produce specified heat

•  propane/LP gas supply may be low
You may feel your gas pressure is too low. If 

so, contact your local natural or propane/LP 

gas supplier.

TECHNICAL SERVICE

You may have further questions about instal-

lation,  operation  or  troubleshooting.  If  so, 

contact  DESA  Heating  Products’  Technical 
Service  Department  at  1-866-67-6040. 
When  calling  please  have  your  model  and 
serial numbers of your heater ready.
You can also visit DESA Heating Products’ tech-
nical service web site at 

www.desatech.com.

SERVICE pUbLICATIONS

You  can  purchase  a  service  manual  from 
the address listed on the back page of this 
manual. Send a check for $5.00 payable to 
DESA Heating Products.

Summary of Contents for NZ108

Page 1: ...the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediatelycallyourga...

Page 2: ...tured mobile home where not prohib ited by local codes Aftermarket Completion of sale not for purpose of resale from the manufacturer WARNING This product contains and or generates chemicals known to...

Page 3: ...etoavoidburnsorclothing ignition Heater will remain hot for a time after shutdown Allow surface to cool before touching Carefully supervise young chil dren when they are in the same room with heater M...

Page 4: ...andards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 State of Massachusetts The installation must be made by a licensed plum...

Page 5: ...air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of un usually tight construction you must provide additional fresh air Unusual...

Page 6: ...upport ________ Btu Hr actual amount AIR FOR COMBUSTION AND VENTILATION Continued Example 51 200 Btu Hr maximum the space can support 60 000 Btu Hr actual amount of Btu Hr used The space in the above...

Page 7: ...for use as supplemental heat Use this heater along with your primary heating system Do not install this heater as your pri mary heat source If you have a centralheatingsystem youmay run system s circ...

Page 8: ...nimum To Top Surface Of Carpeting Tile Or Other Combustible Material Left Side Right Side 10 25 4 cm INSTALLATION ITEMS Before installing heater make sure you have the items listed below for propane L...

Page 9: ...d al lows you to attach mounting bracket to hollow walls wall areas between studs or to solid walls concrete or masonry Decide which method better suits your needs Either method will provide a secure...

Page 10: ...Wall Stud Method For attaching mounting bracket to wall studs 1 Drill holes at marked locations using 9 64 drill bit 2 Place mounting bracket onto wall Line up last hole on each end of bracket with h...

Page 11: ...nal Regulator With Vent Pointing Down External Regulator Propane LP Supply Tank Vent Pointing Down Figure 13 Installing Base Feet Sheet Metal Screw Wood Screw Base Foot Mounting Base Feet to Floor 1 R...

Page 12: ...n must include equipment shutoff valve union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see Figure 15 IMPORTANT Install an equipmen...

Page 13: ...her opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air Figure 18 Checking Gas Joints for Propane LP...

Page 14: ...by hand When lighting the pi lot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air...

Page 15: ...contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure 8 Keep control knob pressed in for...

Page 16: ...ttern Operating Heater Continued THERMOSTAT CONTROL OPERATION The thermostatic control used on these models differs from standard thermostats Standard thermostats simply turn on and off the burner The...

Page 17: ...CABINET Air Passageways Use pressurized air to clean Exterior Use a soft cloth dampened with a mild soap and water mixture Wipe the cabinet to re move dust Figure 27 Pilot Air Inlet Pilot Assembly Pi...

Page 18: ...tor setting is not correct 1 Not enough combustion ventilation air REMEDY 1 Replace pilot assembly 2 Replace pilot assembly 3 Reconnect ignitor cable 4 Free ignitor cable if pinched by any metal or tu...

Page 19: ...il snug then tighten 1 4 turn more 5 A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 17 or replace ODS pilot assembly 6 Replace pilot assembly 7 R...

Page 20: ...te and correct all leaks see Checking Gas Con nections page 12 2 Replace control valve 1 Take apart gas tubing and remove foreign matter 2 Locate and correct all leaks see Checking Gas Con nections pa...

Page 21: ...e Heater Weight 22 lb 10 kg Average Shipping Weight 25 5 lb 11 6 kg Note Dimensions listed are outer most points on the heater includes control knobs and grill For purposes of input adjustment Wiring...

Page 22: ...www desatech com 119171 01E 22 Illustrated Parts Breakdown Cabinet body Models NZ108 and NZ109 8 5 6 7 4 3 1 2 16 10 9 11 12 13 17 14 18 20 15 29 21 22 16 23 See page 24...

Page 23: ...Control Knob 1 12 099415 18 Gas Regulator Propane LP Gas 1 099415 19 Gas Regulator Natural Gas 1 13 104819 02 Regulator Bracket 1 14 119099 01 Lower Baffle 1 15 099038 01 Strain Relief Bushing 1 16 1...

Page 24: ...hermocouple Kit 1 3 099387 11 Pilot Tubing 1 4 104818 03 Outlet Tubing Valve to Burner 1 5 099218 08 Burner 1 6 099056 24 Injector Plaque A or C 1 2 099056 25 Injector Plaque A or C 1 2 7 099056 01 In...

Page 25: ...page 27 or call DESA Heat ing Products at 1 866 672 6040 for referral information When calling DESA Heating Products have ready model number of your heater the replacement part number Service Hints Wh...

Page 26: ...866 672 6040 for referral in formation You can also write to the address listed on the back page of this manual equipment SHUTOFF VALVE GA5010 For all models Equipment shutoff valve with 1 8 NPT tap...

Page 27: ...Street Bowling Green KY 42103 3414 270 846 1199 1 800 654 8534 Fax 1 800 846 0090 franktalk aol com Master Parts Dist 1251 Mound Ave NW Grand Rapids MI 49504 2672 616 791 0505 1 800 446 1446 www nbmc...

Page 28: ...will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The heater MUST be installed by a qualified installer in accordance with all loca...

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