Vanguard Heating VN6A ユーザーズマニュアル

21

• pilot will not stay lit
• burner(s) will have delayed ignition
• heater will not produce specified heat

• pilot will not stay lit
• burner(s) will produce flames and soot
• heater will backfire when lit

You may feel your gas pressure is too low or gas quality is bad. If so, contact your
local natural gas supplier.

Note:

 Use only original replacement parts. This will protect your warranty cover-

age for parts replaced under warranty.

Contact authorized dealer from whom you purchased this product. If they cannot
supply original replacement part(s), call DESA International’s Technical Service
Department at 1-800-323-5190 for referral information.

When contacting your dealer or DESA International, have ready:

• your name
• your address
• model number of your heater
• how heater was malfunctioning
• type of gas used (propane or natural gas)
• purchase date

Usually, we will ask you to return the defective part to the factory.

Contact authorized dealers of this product. If they cannot supply original replace-
ment part(s), call DESA International’s Parts Department at 1-800-972-7879.

When calling DESA International, have ready:

• model number of your heater
• the replacement part number

Purchase this heater accessory from your local dealer. If they cannot supply this
accessory, call DESA International’s Parts Department at
1-800-972-7879. You can also write to the address
listed on the back page of this manual.

Manual shutoff valve with 1/8"
NPT tap.

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 International.