F-41
(*) To specify voltage, insert “/120V” for 120 Vac or “/240V” for 240 Vac.
Ordering Examples: RIO-500/240, 500 W heater, 1.6 cm (5⁄8") dia. stainless steel sheath
and 1⁄2NPT steel screw plug powered by 240 Vac, $177.
RIS-255/120V, 250 W heater, 1.6 cm (5⁄8") dia. passivated stainless steel sheath
and 1⁄2NPT steel screw plug powered by 120 Vac, $385.
SCREW PLUG IMMERSION HEATERS
FOR SMALL TANKS
RI, RIO, RIS Series
⻬ Stocked for Fast Delivery
⻬
1
⁄2 and 3⁄4 NPT
⻬ Cartridge Type Element
⻬ Premium Quality
⻬ Rugged Construction
CAUTION AND WARNING!
Fire and electrical shock may result
if products are used improperly or
installed or used by non-qualified
personnel.
Std.
Dimensions: cm (in) Pipe Wt.
Watts
Phase W/in
2
A B C Thd. Model No. Price kg (lb)
100 1 31 12 (47⁄8)4(11⁄2) 1.6 (5⁄8)1⁄2 RI-100/120V $150 1 (3)
250 1 33 17 (67⁄8)9(31⁄2) 1.6 (5⁄8)1⁄2 RI-250/(*) 157 2 (4)
500 1 34 30 (115⁄16)16(77⁄8) 1.6 (5⁄8)1⁄2 RI-500/(*) 165 5 (10)
750 1 33 40 (153⁄8) 30 (12) 1.6(5⁄8)1⁄2 RI-750/(*) 177 6 (14)
300 1 30 21 (87⁄16)12(411⁄16) 1.6 (5⁄8)3⁄4 RI-1300/(*) 164 4 (8)
500 1 36 26 (101⁄8)16(65⁄16)3⁄4 (1.9)3⁄4 RI-1500/(*) 177 4 (9)
750 1 32 37 (143⁄8)27(109⁄16)3⁄4 (1.9)3⁄4 RI-1750/(*) 188 6 (13)
1000 1 32 37(14
3
⁄8)34(139⁄16)3⁄4 (1.9)3⁄4 RI-1100/(*) 200 7 (15)
These screw plug immersion heaters
feature a dead front nylon twist-lock
grounded plug with receptacle. Cord
is supplied by the user. The cartridge
element is brazed to a standard 1⁄2" or
3
⁄4" screw plug.
SPECIFICATIONS
Power: 100 to 1000 watts
Voltage:120 or 240 Vac, 1 phase
Watt Density: 20 to 36 W/in
2
Sheath: Type RI has a 1.6 cm (5⁄8") or
1.9 cm (
3
⁄4") Incoloy sheath; Type RIO
has a 1.6 cm (
5
⁄8") or 1.9 cm (3⁄4")
diameter stainless steel sheath;
Type RIS has a 1.6 cm (
5
⁄8") diameter
passivated stainless steel sheath
Screw Plug:
Type RI has
1
⁄2" or 3⁄4" NPT brass screw
plug; Type RIO has
1
⁄2" or 3⁄4" NPT steel
screw plug; Type RIS has
1
⁄2" NPT
passivated stainless steel screw plug
3.8
(1½)
7
(2¾)
Plug Per Tab
Flange Per Tab
C
B
A
Std.
Dimensions: cm (in) Pipe Wt.
Watts
Phase W/in
2
A B C Thd. Model No. Price kg (lb)
150 1 20 17(67⁄8)9(31⁄2) 1.6(5⁄8)1⁄2 RIO-150/120V $157 2 (4)
300 1 20 28(1015⁄16)16(77⁄8) 1.6 (5⁄8)1⁄2 RIO-300/(*) 165 5 (10)
500 1 22 39 (157⁄16) 30 (12) 1.6(5⁄8)1⁄2 RIO-500/(*) 177 6 (14)
200 1 20 21(87⁄16)12(411⁄16) 1.9 (3⁄4)3⁄4 RIO-1200/(*) 164 4 (8)
300 1 22 26(101⁄8)16(65⁄16) 1.9 (3⁄4)3⁄4 RIO-1300/(*) 177 4 (9)
500 1 21 37(143⁄8)27(109⁄16) 1.9 (3⁄4)3⁄4 RIO-1500/(*) 188 6 (13)
600 1 20 44(17
3
⁄8)34(139⁄16) 1.9 (3⁄4)3⁄4 RIO-1600/(*) 206 7(15)
Type RIO with SS Sheath—Steel Pipe Thread
Std.
Dimensions - cm (in.) Pipe Wt.
Watts Phase W/in
2
A B C Thd. Model No. Price kg (lb)
250 1 35 17 (65⁄8)9(31⁄2) 1.6 (5⁄8)
1
⁄2 RIS-255/120V $385 3 (6)
500 1 28 28 (1015⁄16)20(77⁄8) 1.6 (5⁄8)
1
⁄2 RIS-505/120V 430 5 (10)
750 1 31 38(15
1
⁄8) 30 (12) 1.6 (5⁄8)
1
⁄2 RIS-755/120V 460 7 (15)
Type RIS with Passivated SS Sheath and Screw Plug
To Order
(Specify Model Number)
Type RI with Incoloy Sheath—
Brass Pipe Thread
Dimensions: cm (in)
AVAILABLE FOR FAST DELIVERY!
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
www.omega.com
UNITED KINGDOM
www. omega.co.uk
Manchester, England
0800-488-488
UNITED STATES
www.omega.com
1-800-TC-OMEGA
Stamford, CT.
CANADA
www.omega.ca
Laval(Quebec)
1-800-TC-OMEGA
GERMANY
www.omega.de
Deckenpfronn, Germany
0800-8266342
Karviná, Czech Republic
FRANCE
www.omega.fr
Guyancourt, France
088-466-342
CZECH REPUBLIC
www.omegaeng.cz
596-311-899
BENELUX
www.omega.nl
Amstelveen, NL
0800-099-33-44
More than 100,000 Products Available!
Temperature
Calibrators, Connectors, General Test and Measurement
Instruments, Glass Bulb Thermometers, Handheld Instruments
for Temperature Measurement, Ice Point References,
Indicating Labels, Crayons, Cements and Lacquers, Infrared
Temperature Measurement Instruments, Recorders Relative
Humidity Measurement Instruments, RTD Probes, Elements
and Assemblies, Temperature & Process Meters, Timers and
Counters, Temperature and Process Controllers and Power
Switching Devices, Thermistor Elements, Probes and
Assemblies,Thermocouples Thermowells and Head and Well
Assemblies, Transmitters, Wire
Flow and Level
Air Velocity Indicators, Doppler Flowmeters, Level
Measurement, Magnetic Flowmeters, Mass Flowmeters,
Pitot Tubes, Pumps, Rotameters, Turbine and Paddle Wheel
Flowmeters, Ultrasonic Flowmeters, Valves, Variable Area
Flowmeters, Vortex Shedding Flowmeters
pH and Conductivity
Conductivity Instrumentation, Dissolved Oxygen
Instrumentation, Environmental Instrumentation, pH
Electrodes and Instruments, Water and Soil Analysis
Instrumentation
Data Acquisition
Auto-Dialers and Alarm Monitoring Systems,
Communication Products and Converters, Data
Acquisition and Analysis Software, Data Loggers
Plug-in Cards, Signal Conditioners, USB, RS232, RS485
and Parallel Port Data Acquisition Systems, Wireless
Transmitters and Receivers
Pressure, Strain and Force
Displacement Transducers, Dynamic Measurement
Force Sensors, Instrumentation for Pressure and Strain
Measurements, Load Cells, Pressure Gauges, Pressure
Reference Section, Pressure Switches, Pressure Transducers,
Proximity Transducers, Regulators,
Strain Gages, Torque Transducers, Valves
Heaters
Band Heaters, Cartridge Heaters, Circulation Heaters,
Comfort Heaters, Controllers, Meters and Switching
Devices, Flexible Heaters, General Test and Measurement
Instruments, Heater Hook-up Wire, Heating Cable
Systems, Immersion Heaters, Process Air and Duct,
Heaters, Radiant Heaters, Strip Heaters, Tubular Heaters
click here to go to the omega.com home page