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OIL VENT DAMPER
SAVES FUEL. REDUCES HEATING BILLS.IMPROVES EFFICIENCY.
Invest in your energy future with the Field Oil Vent Damper
(OVD) system. It works automatically to save fuel, improve
comfort, and keep the heat within the conditioned space.
The Field OVD installs in the vent pipe after the draft
control and before the chimney. It can increase Annual Fuel
Utilization Efficiency (AFUE) by up to 2%.
By automatically closing the damper at the end of
each heating cycle like a fireplace damper, the OVD
prevents drafts, improves comfort, and reduces heat
loss. The average boiler or furnace will use a minimum
of 5% less fuel. Homes with taller chimneys may save
10% or more.
A 7-foot wiring harness is included with a pre-wired
WMO-1 blocked vent safety switch. The WMO-1 shuts the
oil burner off when a blocked vent condition is detected.
BENEFITS
• Reduces heating bill
• Improves efficiency
• Increases comfort
• Reduces off-cycle heat loss
BURNER AND TRANSFORMER ELECTRICAL RATING
• Burner motors rated up to
⁄
1
6
• Ignition Transformer rated at 250 VA or less
18
hp, 5.8 Amps
NOTE: NOT FOR USE WITH DIRECT VENT SYSTEMS, SEALED COMBUSTION SYSTEMS, OR VAPORIZING TYPE BURNERS.
MODEL
OVD-4PL
OVD-5PL
OVD-6PL
OVD-7PL
OVD-8PL
ALL DIMENSIONS ARE IN INCHES AND ARE APPROXIMATE. SPECIFICATIONS SUBJECT TO
CHANGE. FOR THE MOST CURRENT SPECIFICATIONS, CONTACT FIELD CONTROLS.
FEATURES
• Available in sizes 4"– 8"
• Blocked vent safety switch included
• Automatic power open/power close
• Two internal safety switches
• Flex seal provides self-cleaning action
• Hold-open service switch
• 24 GA stainless steel construction
• Max flue gas temperature of 1000ºF
• CSA listed
(Listed to UL-17 Standard and CSA B140.14)
DIMENSIONS (INCHES)
PIPE SIZE
LENGTH
HEIGHT
A
B
C
1 ⁄16
4
6
10
1 ⁄16
5
6
1 1
1 ⁄2
1 ⁄16
6
6
12
1 ⁄16
1 ⁄16
7
7
13
1 ⁄16
1 ⁄16
8
8
14
CLEARANCE
EXPOSED PIPE
PIPE
REMOVAL
D
E
15 ⁄16
1 ⁄2
5
3
15 ⁄16
1 ⁄2
5
3
1 ⁄8
1 ⁄2
1
5
4
3 ⁄8
1 ⁄16
9 ⁄16
1
6
4
7 ⁄8
1 ⁄16
9 ⁄16
1
7
5
Customer Service:
252.522.3031
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