10.19 (259)
Main Air A –NPT
MA †
UV location No. 1 Pilot
3.13 (80)
NPT for UV connection on same side as pilot
Observation Ports (2)
7.56 (192)
Pilot
No. 1§
No. 3§
8.75 Ø (222)
6.81 (173)
CLGas and Atom. Air
Oil D –NPT
UV location No. 3 Pilot (opp. side)
4.63 (118)
AA †
.63 (16)
G †
10.75 (273)
2.56 (65)
E G
Atom. Air C -NPT
Gas B -NPT
12.25 (311)
18.50 (470)‡
16.88 (429)
9.50 (241)
(4) .63 (16) slots equally spaced
6435-5, -6 weight: 112 lb/51 kg
10.75 (273)
8.63 Ø (219)
Dimensions in inches (mm)
input pipe sizes
Sensitrol
Burner
designation A
B
C D
E
G Tile ExitØ Oil Valve
6435-5 6435-6
2 1
1 1
1.50 (38)
2.0 (51)
2.50 3.00
1813-02-A 1813-02-B
12.0 Ø (305)
3
1
Recommended Pilot Tip 4021-12.
‡ Dimension assumes close nipple between burner and Sensitrol™ Oil Valve. For sizes -1 through -4 with flame supervision, Sensitrol Valve cannot be close connected because of interference with handle. § Pilot position designation (No. 1 or No. 3) must be specified on order. Minimum for removal of internals including Sensitrol Valve. † fpt Pressure Taps: MA —Main Air, G —Gas, AA —Atomizing Air, TP —Tile Pressure.
Bulletin 6435 Page 7
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