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111487-01D

19

SPECIFICATIONS

CSBPT, CSPBPT, CSPIPT 
(Includes 111485-01 Burner Chassis)
Btu (Variable) 

16,000/30,000

Type Gas  

Propane/LP Only

Ignition 

Piezo

Pressure Manifold  

8" W.C.

Inlet Gas Pressure (in. of water) 

        

  Maximum 

14"

  Minimum* 

11" 

Shipping Weight  

265 lbs.

* For input adjustment

CSBNT, CSPBNT, CSPINT
(Includes 111485-02 Burner Chassis)
Btu (Variable) 

16,000/30,000

Type Gas  

Natural Gas Only

Ignition 

Piezo

Pressure Manifold  

3.5" W.C.

Inlet Gas Pressure (in. of water) 

        

  Maximum 

10.5"

  Minimum* 

5" 

Shipping Weight  

265 lbs.

* For input adjustment

SERVICE HINTS

When Gas Pressure Is Too Low
•  pilot will not stay lit
•  burners 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 propane/LP gas supplier.

TECHNICAL SERVICE

You may have further questions about installation, 

operation or troubleshooting. If so, contact DESA 

Heating Productsʼ 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 Productsʼ techni-

cal service web site at 

.

REPLACEMENT PARTS

 Use only original replacement parts. This 

will  protect  your  warranty  coverage  for  parts 

replaced under warranty. 

Contact  authorized  dealers  of  this  product.  If 

they canʼt supply original replacement part(s), 

call DESA Heating Productsʼ Technical Service 

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 

canʼt supply original replacement part(s), either 

contact your nearest Parts Central (see page 23) 

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

ACCESSORIES

Purchase these heater accessories from your local 

dealer. If they can not supply these accessories, 

call DESA Heating Products at 1-866-672-6040 

for referral information. You can also write to the 

address listed on the back page of this manual.

For all models. Equipment shutoff valve with 1/8" 

NPT tap. Fits 1/2" NPT pipe.

For all models. Your vent-free gas appliance re-

quires regular cleaning and maintenance to prevent 

performance problems. This kit gives you the tools 

and instructions to make it easy to clean all critical 

areas of your appliance.

For all models. A care and maintenance video is avail-

able by calling 1-866-672-6040. You may also email 

your request to