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FIREROD
®
IMMERSION
Compact Unit Gives
Versatility in
Designing a Heating
System
FIREROD
®
immersion heaters package up to 300 W/in
2
(46.5 W/cm
2
) in a compact unit, giving you greater versatility
in designing your heating system. This design solution is ideal
for replacing large screw-plug immersion heaters.
Aside from its versatile design, these heaters come complete
with a brass
3
⁄4 (19 mm) NPT double threaded screw plug,
which allows you to add conduit boxes. Also, FIREROD
immersion heaters are sealed at the lead end with a silicone
rubber seal. Solid copper leads, with silicone rubber sleeve,
are provided for unconfined wiring. These units are
recommended for immersion in water or 90+ percent water
soluble solutions.
© 2005 Watlow Electric Manufacturing Company
Features and Benefits
Nickel-chromium resistance wire
• Precisely centered in the unit assures even, efficient
distribution of heat to the sheath
Magnesium oxide insulation
• Compacted to the proper density, results in high dielectric
strength and contributes to faster heat-up
Incoloy
®
sheath
• Resists corrosion from water
Metallurgically-bonded conductor pins
• Ensures a trouble-free electrical continuity
Lead end with silicone rubber seal
• Protects the heater against moisture contamination
Optional stainless steel fittings
• Available for use in corrosive applications
Horizontal through the wall tank mounting
• Makes setup faster
240 and 480VÅ(ac)
• Provides wiring flexibility
Stock availability
• Same day shipment on various
5
⁄8 in. diameter heaters with
3
⁄4 in. NPT
12001 Lackland Road
St. Louis, Missouri 63146 USA
Phone: +1 (314) 878-4600
FAX
: +1 (314) 878-6814
Internet: www.watlow.com
e-mail: info@watlow.com
STL-FRI-0505
Performance Capabilities
• Maximum operating temperature in water to 100
O
C (212
O
F)
at 14.7 psi
• Maximum watt density to 300 W/in
2
(46.5 W/cm
2
)
•
Maximum voltage to 480V
Å(ac)
Incoloy is a registered trademark of Special Metals Corporation.
Applications
• Plastic reclamation
• Food preparation
•
Lab equipment
4 in. (100 mm)
No-Heat
Nickel-Chromium
Resistance Wire
Double Threaded Brass
3
⁄4 in. NPT - 1
3
⁄8 in. long*
Magnesium
Oxide Insulation
6 in. (150 mm) Solid Pins
with Silicone Rubber Boots
Incoloy
®
Sheath
*Standard on
5
⁄8 and
3
⁄4 in. diameter heaters.