Submittal Sheet

L408J VAPORSTAT
®
CONTROLLERS
3 65-0287—01
Dimensions:
See Fig. 1; also Fig. 2 for mounting steam trap (siphon loop).
Weight:
2 lb, 4 oz. (1.02 kg).
Finish:
Gray.
Approvals:
Underwriters Laboratories Inc. Listed: File No. MP466, Vol. 10;
Guide No. MBPR.
Canadian Standards Association Certified: File No. LR1620;
Guide No. 400-E-0.
Replacement Parts/Accessories:
129178 Thermoplastic Cover.
50024585-001 Steam Trap (siphon loop)—1/4 inch brass pipe.
14206 Steel Steam Trap.
33312B Knurled Adjustment Knob—with setscrew; fits on main
scale pressure adjusting screw.
4074BWJ Limit Stop Assembly—to limit setpoint ranges:
includes 129564 Range Stop, 107194 Range Stop Screw,
and 23466 Wrench.
Fig. 1. Mounting dimensions of the L408J VaporStat
®
controllers in inches
(millimeters).
INSTALLATION
When Installing This Product…
1. Read these instructions carefully. Failure to follow them
could damage the product or cause a hazardous
condition.
2. Check the ratings given in the instructions and on the
product to make sure the product is suitable for your
application.
3. Installer must be a trained, experienced service
technician.
4. After installation is complete, check out product
operation as provided in these instructions.
WARNING
Electrical Shock Hazard.
Can cause severe injury, death or property damage.
Disconnect the power supply before beginning
installation to prevent electrical shock or possible
equipment damage.
CAUTION
Equipment Damage Hazard.
Improper use with a compressor can damage the
controller.
When using the controller with a compressor, install a
dampening device (such as a needle valve, header, or
surge tank) to dampen pulsations that can damage the
controller or reduce its life.
1-5/32
(29)
2-1/8 (54)
1/4 – 18 NPT
2-1/4 (57)
1-13/16
(46)
1-15/16
(49)
1-61/64
(50)
4-11/32 (110)
CASE
4-1/2 (114)
COVER
3-7/8
(98)
2-3/4 (70)
1-1/16 (27)
13/16
(21)
5-1/8
(130)
3-23/32
(95)
1-1/16
(27)
7/8
(22) DIA.
1-3/16 (30)
2-1/4 (57)
4-1/2 (114)
M19770
3/16 (9) x 21/64 (8) KNOCKOUT (2)