Bulletin 4055
Page 6
4055-L EXTENDED LENGTH IGNITERS
The 4055-L series igniters are extended length igniters with the
same variable length adapters as the 4055-M.
They feature:
—
Wide range of available fi xed lengths from 12 to 48 inches
—
Overlapping ceramic electrode insulators
—
A small enough diameter to fi t through a
¾
" pipe fi tting
—
Threaded adapters that allow adjusting the insertion length.
5
1⁄8
"
Nominal Length
Set Screws
(Steel)
Ø .84 Extension Tube (304 SST)
Igniter Tip (309 SST)
With Ground Wire (Kanthal A-1)
Threaded Adapter (Steel)
O-Ring #212 (Silicone)
Positioning Collar (Steel)
Electrode (Kanthal A-1 rod)
with Insulators (Ceramic)
3⁄32
" Gap
Note: All 4-57719-# electrodes are built with modifi ed versions of igniters labeled with "R240-2755" or "I-2". Do not replace the electrode in a 4055-L
with an unmodifi ed "R240-2755" or "I-2" electrode. It will not function correctly.
Igniter Model
Nominal Length
Adapter
Weight
Number
Inches
Thread
NPT lbs
4055-L12-0
12
¾
" 1.8
4055-L18-0
18
¾
" 2.5
4055-L24-0
24
¾
" 3
4055-L32-0
32
¾
" 3.8
4055-L36-0
36
¾
" 4.2
4055-L42-0
42
¾
" 4.9
4055-L-48-0
48
¾
" 5.4
Model Number
Electrode Assembly
4055-L12-#
4-57719-12
4055-L18-#
4-57719-18
4055-L24-#
4-57719-24
4055-L32-#
4-57719-32
4055-L36-#
4-57719-36
4055-L42-#
4-57719-42
4055-L-48-#
4-57719-48
Common Parts
Part Number
Igniter
Tip
4-57718-1
¾
" Threaded Adapter Assembly
4-45311-1
1" Threaded Adapter Assembly
4-45311-2
Igniter Model
Nominal Length
Adapter
Weight
Number
Inches
Thread
NPT lbs
4055-L12-1
12
1"
2.0
4055-L18-1
18
1"
2.7
4055-L24-1
24
1"
3.2
4055-L32-1
32
1"
4.0
4055-L36-1
36
1"
4.4
4055-L42-1
42
1"
5.1
4055-L-48-1
48
1"
5.6
SPARE PARTS
WHEN SETSCREWS ARE LOOSENED, ASSEMBLY CAN BE WITH-
DRAWN FOR CLEANING, THEN REINSERTED TO OPTIMUM DEPTH.
Special engineered versions of the igniters can be also made
with:
—
Custom lengths
—
The "ERA style" ignition cable connector
—
Special adapters or igniter tips
Adapter assemblies include: positioning collar, mounting
adapter, o-ring, and setscrews.
Extened Length | 4055 Igniters
