Desa WMP20A Manuel D’Utilisation

119344-01B

3

•  Btu (Variable): 10,000/20,000 Btu/Hr
•  Type Gas: Natural Only
•  Ignition: Piezo
•  Pressure Regulator Setting: 3" W.C.
•  Inlet Gas Pressure (in. of water):
  Maximum - 10.5", Minimum - 4"

•  Btu (Variable): 15,000/30,000 Btu/Hr
•  Type Gas: Natural Only
•  Ignition: Piezo
•  Pressure Regulator Setting: 3" W.C.
•  Inlet Gas Pressure (in. of water):
  Maximum - 10.5", Minimum - 4"

•  Btu (Variable): 10,000/20,000 Btu/Hr
•  Type Gas: Propane/LP Only
•  Ignition: Piezo
•  Pressure Regulator Setting: 8" W.C.
•  Inlet Gas Pressure (in. of water):
  Maximum - 14", Minimum - 11"

•  Btu (Variable): 15,000/30,000 Btu/Hr
•  Type Gas: Propane/LP Only
•  Ignition: Piezo
•  Pressure Regulator Setting: 8" W.C.
•  Inlet Gas Pressure (in. of water):
  Maximum - 14", Minimum - 11"

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.

Note:  Use  only  original  replacement  parts. 
This will protect your warranty coverage for 
parts replaced 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 1-866-672-6040.
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.

Contact authorized dealers of this product. If 
they can’t supply original replacement part(s), 
either contact your nearest Parts Central (see 
page 27) or call DESA Heating 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

You may have further questions about instal-
lation,  operation  or  troubleshooting.  If  so, 
contact  DESA  Heating  Products’  Technical 
Service  Department  at  1-866-672-6040. 
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.

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 Heat-
ing Products.