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113048 01

Always specify model and serial numbers when communicating with the factory.
We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our 

standard written warranty. We make no other warranty, expressed or implied.

113048-01
Rev. F
06/05

2701 Industrial Drive
P.O. Box 90004
Bowling Green, KY 42102-9004
www.desatech.com

NOT A UPC

LIMITED WARRANTIES FOR NEW AND FACTORY 

RECONDITIONED PRODUCTS

VENT-FREE RESIDENTIAL GAS HEATERS

New Products:

 DESA Heating Products warrants this heater and any parts thereof, to be free of defects in materials 

and workmanship for two (2) years from the date of first purchase, when operated and maintained in accordance 

with the manufacturer's instructions. These warranties are extended only to the original retail purchaser, when 

proof of purchase is provided.

Factory Reconditioned Heaters:

 DESA Heating Products warrants this factory reconditioned heater and any parts 

thereof, to be free of defects in materials and workmanship for thirty (30) days from the date of first purchase, 

when operated and maintained in accordance with the manufacturer's instructions. These warranties are extended 

only to the original retail purchaser, when proof of purchase is provided.
This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required 

to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Heating 

Products Authorized Service Center. Warranty part(s) MUST be obtained through authorized dealers of this product 

and/or DESA Heating Products who 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 local codes and instructions furnished with the unit.
This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts 

that fail or become damaged as a result of misuse, accidents, lack of proper maintenance or defects caused by 

improper installation. Travel, diagnostic cost, labor, transportation and any and all such other costs related to 

repairing a defective heater will be the responsibility of the owner.
TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE 

OF THE PRODUCT; THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED 

WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES, INCLUD-

ING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO TWO 

(2) YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE; AND DESA HEATING 

PRODUCTSʼ LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND 

DESA HEATING PRODUCTS SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER 

INCLUDING INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES.
Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of 

incidental or consequential damages, so the above limitation on implied warranties or exclusion or limitation on 

damages may not apply to you.
This warranty gives you specific legal rights and you may also have other rights that vary from state to state.
For information about this warranty write:

WARRANTY INFORMATION

KEEP THIS WARRANTY

Model

Serial No.

Date of Purchase

Содержание GMN18

Страница 1: ...t use any phone in your building Immediately call your gas supplier from a neigh bor s phone Follow the gas supplier s instruc tions If you cannot reach your gas supplier call the re department Instal...

Страница 2: ...g plate This appliance is not convert ible for use with other gases Aftermarket Completion of sale not for purpose of resale from the manufacturer State of Massachusetts The installation must be made...

Страница 3: ...his heater WARNING Any change to this heater or its controls can be dangerous WARNING Donotuseablow er insert heat exchanger insert orotheraccessorynotapproved for use with this heater Due to high tem...

Страница 4: ...and to replace any part of the control system and any gas control which has been under water 12 Turn off and let cool before servicing Only a quali ed service person should service and repair heater...

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

Страница 6: ...used _______________ Btu Hr maximum the space can support _______________Btu Hr actual amount of Btu Hr used Example 51 200 Btu Hr maximum the space can support 60 000 Btu Hr actual amount of Btu Hr u...

Страница 7: ...or 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 circul...

Страница 8: ...y cause mildew to form from too much moisture See Air for Combustion and Ventilation page 5 If high hu midity is experienced a dehumidi er may be used to help lower the water vapor content in the air...

Страница 9: ...re hold for the mounting bracket Marking Screw Locations 1 Tape mounting bracket to wall where heater will be located Make sure mounting bracket is level WARNING Maintain mini mumclearancesshowninFigu...

Страница 10: ...e Wall anchors mounting screws and spacers are in hardware package The hardware package is provided with heater Attaching To Wall Stud Method For attaching mounting bracket to wall studs 1 Drill holes...

Страница 11: ...er heater regulator damage could occur CAUTION For propane LP gas never connect heater di rectly to the propane LP supply This heater requires an external regulator not supplied Install theexternalreg...

Страница 12: ...ve 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 equipment shutoff valve in an accessible loc...

Страница 13: ...pply piping system by either 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 3 Check all joints f...

Страница 14: ...ol Models OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not fol low these instructions exactly a re or explosion may result causing property damage per sonal injury or loss o...

Страница 15: ...control used on these models differs from standard thermostats Standard thermostats simply turn on and off the burner The thermostat used on this heater senses the room temperature At times the room m...

Страница 16: ...me BURNER FLAME PATTERN FOR BLUE FLAME HEATERS WARNING If yellow tipping occurs your heater could pro duce increased levels of carbon monoxide NOTICE Do not mistake orange ames with yellow tipping Dir...

Страница 17: ...ions on the can you could damage the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Inspect burner pilot for dust and dirt 3 Blow air acros...

Страница 18: ...ion 4 Air in gas lines when installed 5 Depleted gas supply pro pane LP gas only 6 ODS pilot is clogged 7 Gas regulator setting is not correct OBSERVED PROBLEM When ignitor button is pressed there is...

Страница 19: ...gas company 1 Contact local natural or pro pane LP gas company 2 Clean burner see Cleaning and Maintenance page 17 or replace burner ori ce 1 Clean burner see Cleaning and Maintenance page 17 or repla...

Страница 20: ...nto white powder residue 1 Plaque damaged 2 Inlet gas pressure is too low 3 Control knob set between locked positions REMEDY 1 Check burner for dirt and debris If found clean burner see Cleaning and M...

Страница 21: ...t above 2 Control valve defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning statement above 1 Not enough combustion ven tilation air OBSERVED PROBLEM Heater produces a c...

Страница 22: ...mum 10 5 Minimum 4 Heater Weight 20 lb Shipping Weight 25 lb GMP26 AND GMP26T Propane LP Gas 26 000 Btu Hr GMP26 has variable settings Piezo Ignition Pressure Regulator Setting 8 W C Inlet Gas Pressur...

Страница 23: ...t 1 866 672 6040 for referral information When calling DESA Heating Products have ready model number of your heater the replacement part number ACCESSORIES Purchase these heater accessories from your...

Страница 24: ...www desatech com 113048 01F 24 ILLUSTRATED PARTS BREAKDOWN MODELS GMP16 GMP16T GMN18 GMN18T GMP26 GMP26T GMN30 AND GMN30T 14 15 8 5 6 7 4 3 1 2 16 10 9 11 12 13 17 See Pages 26 27...

Страница 25: ...2 01 Control Rod Assembly 1 10 098325 01 Roll Pin 1 11 098354 03 Control Knob 1 12 099415 18 Gas Regulator Propane LP 1 099415 19 Gas Regulator Natural 1 13 104819 02 Regulator Bracket 1 14 098522 24...

Страница 26: ...A 1 103353 04 Tubing Valve to Plaque A 1 11 103352 04 Tubing Valve to Plaque B 1 103353 05 Tubing Valve to Plaque B 1 12 103353 06 Tubing Valve to Plaque C 1 13 107660 01 Inlet Tube 1 107660 03 Inlet...

Страница 27: ...ctor Plaque A or C 1 2 099056 25 Injector Plaque A or C 1 2 7 099056 01 Injector Plaque B 1 099056 02 Injector Plaque B 1 If replacing ODS pilot and your model is pre 2002 your part number will be 103...

Страница 28: ...www desatech com 113048 01F 28 ILLUSTRATED PARTS BREAKDOWN MODELS GMP20BT GMN20BT GMP30BT AND GMN30BT 2 3 5 6 8 9 10 10 11 12 13 14 16 18 19 4 7 1 15 17 20...

Страница 29: ...y 1 9 098271 09 Ignitor Cable 1 10 098249 01 Nut 2 11 110803 01 ODS Pilot Assembly NG 1 110803 02 ODS Pilot Assembly LP 1 12 103446 02 Burner 1 103447 06 Burner 1 13 099387 03 Pilot Tubing 1 14 103845...

Страница 30: ...__ ______________________________________________________ ______________________________________________________ ______________________________________________________ ________________________________...

Страница 31: ...__ ______________________________________________________ ______________________________________________________ ______________________________________________________ ________________________________...

Страница 32: ...this product and or DESAHeating Products who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The heater MUST be installed by a qu...

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