North American Tempest ® 4441DMC Gas Burner Instructions and Required Piping
Sheet 4441DMC-3
J Limiting Orifice Valve required within 1' of burner
L
6 Dia. min.
F ♦
F ♦
K Burner Gas Connection
E Metering Orifi ce
4 Dia. min.
H Solenoid Valve required within 3' of burner between 1807
G Ratio Regulator required within 4' of burner
I Manual Shutoff Valve
and ratio regulator
Impulse Line 3⁄8 " OD min.
C Flexible Pipe or Blower Sleeve
D Burner Air Connection
B Optional Metering Orifice
A
♦ Add unions as needed in the field for maintenance purposes.
Table 1. Component selection for Tempest ® DMC burners.
Air Side
Fuel Side
Burner Size A
B
C
D
E
F
G*
H
I
J
K
L
-3
1 ½ "
1 ½ "
1 ½ "
1 ½ "
¾"
¾"
½" / ¾" ¾" / 1" ¾" / 1" 1" / 1 ¼ "
¾"
¾"
¾"
¾"
¾"
-4-A -4-B
2" 2"
2" 2"
2" 2"
2" 2"
1" 1"
1" 1"
1" 1"
1" 1"
1" 1"
1" 1"
1" 1"
-5 -6 -7
2 ½ "
2 ½ "
2 ½ "
2 ½ "
1 ¼ " 1 ½ "
1 ¼ " 1 ½ "
1 ¼ "
1 ¼ " 1 ½ "
1 ¼ " 1 ½ "
1 ¼ " 1 ¼ " 1 ½ " 1 ½ "
3" 4"
3" 4"
3" 4"
3" 4"
1¼" / 1 ½ " 1 ½ " 1½" / 2" 2"
2"
2"
2"
2"
2"
2"
* Left side of column is recommended, right side can be used as an alternative.
Legend for Table 1
FUEL E – 8697 Metering Orifice F – Threaded Pipe Union G – 7216- - BP Regulator (with bypass) H – Solenoid Valve I – Manual Shutoff Valve J – 1807 Limiting Orifice Valve
AIR A – 1122 Manual Balancing Air Valve B – 8697 Metering Orifice (optional) C – 8770/8773 Flexible Connection or 2947 Blower Sleeve D - Burner Air Connection
K – Burner Gas Connection L – Flexible Pipe (optional)
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