OVER THE SIDE HEATERS
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Single L-Shaped Heater - Metal • Rugged all metal heater head • 36" corrosion resistant thermoplastic conduit • 2" OD Risers • 1 1/4" OD Heater Tube • Thermal protection |
• Available in Steel, 304 Stainless, 316L Stainless, or Titanium • Various watt densities and voltages • Various length risers and heated length • Optional three-phase • Optional chemically resistant plastic head • Optional 2" OD gooseneck risers • Optional Controller • 4" to 8" sludge feet |
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| Triple L-Shaped Heater - Metal • Rugged all metal heater head • 36" corrosion resistant thermoplastic conduit • 2" OD Risers • 1 1/4" OD heater tube • Thermal protection • Horizontal or vertical elements |
• Available in Steel, 304 Stainless, 316L Stainless, or Titanium • Various watt densities and voltages • Various length risers and heated length • Optional single-phase • Optional chemically resistant plastic head • Optional 2" OD gooseneck risers • Optional Controller • 4" to 8" sludge feet |
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| Single Bayonet Heater - Metal • Rugged all metal heater head • 36" corrosion resistant thermoplastic conduit • 1 1/4" OD heater tube • Thermal protection |
• Available in Steel, 304 Stainless, 316L Stainless, or Titanium • Various watt densities and voltages • Various heated length • Optional three-phase single tube • Optional chemically resistant plastic head • Optional Controller |
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| Triple Bayonet Heater - Metal • Rugged all metal heater head • 36" corrosion resistant thermoplastic conduit • 1 1/4" OD heater tube • Thermal protection • Single compression fitting connection |
• Available in Steel, 304 Stainless, 316L Stainless, or Titanium • Various watt densities and voltages • Various heated length • Optional single-phase • Optional chemically resistant plastic head • Optional Controller |
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Bayonet Heater - Quartz • Resistant to most acids • 36" corrosion resistant thermoplastic conduit • Factory sealed for longer life • Polypropylene guard • Thermal protection |
• Various watt densities and voltages • Various heated length • Optional Plastsol coated heater head • Optional PVC Guard • Optional Controller • Single Bayonet or Triple Bayonet Style |
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Bayonet Heater- Teflon
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• Fast heat dissipation • Precise temperature control • Rigid PVDF frame - maximum chemical resistance plus strength • FEP jacketed heating element - maximum chemical resistance • Fully grounded • Various watt densities and voltages • Various heated length • Optional Controller • Single, Dual, Triple Bayonet, or Pancake Style |
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L-Shaped Heater- Teflon
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• Fast heat dissipation • Precise temperature control • Rigid PVDF frame - maximum chemical resistance plus strength • FEP jacketed heating element - maximum chemical resistance • Fully grounded • Various watt densities and voltages • Various heated length • Optional Controller • Single, Dual, Triple L-Shape, or Vertical Stack |
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Tubular Element Styles
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Over the Side Heaters are used in applications where drilling a hole into the tank wall is not possible or desirable. The heater can be installed resting at the bottom of the tank or hanging from the lip. Over the side heaters are available in a variety of sizes, materials. and configurations The heating elements are offered in a number of materials suited to a variety of fluid heating applications. Terminal housings are available for indoor, outdoor (weather-proof NEMA 4) and explosive (NEMA 7) environments. Many options are available including thermostats, high limit and process thermocouples or RTD sensors. Since we are a made to order company, we can offer a large selection of sizes and configurations which are not listed below. Please contact us for assistance with your application. |
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QuickPlug™ Heating Systems - Standard Bayonet/L-Shape Replacement - Heaters/Digital Controls
![]() QuickPlug™ Heating Systems |
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| 304 Stainless Model |
316L Stainless Model |
Watts | Volts | Dimensions (inch/mm) | ||
| Length | Hot Zone | |||||
| QDWS5 | QDS5 | 500 | 120 | 11/282 | 7/179 | |
| QDWS10 | QDS10 | 1000 | 120 | 11/282 | 7/179 | |
| QDWS15 | QDS15 | 1500 | 120 | 17/436 | 10/256 | |
| QDSW15-28 | QDS15-L28 | 1500 | 120 | 28/718 | 10/256 | |
| QDWS25-2 | QDS25-2 | 2500 | 240 | 21/538 | 14/359 | |
| QDWS30-2 | QDS30-2 | 3000 | 240 | 28/716 | 19/487 | |
![]() QuickPlug™ L-Shaped Heating System |
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| 304 Stainless Model |
316L Stainless Model |
Watts | Volts | Dimensions (inch/mm) | ||
| Length | Hot Zone | |||||
| QDWSL5 | QDSL5 | 500 | 120 | 24-615 | 8.5/216 | |
| QDWSL10 | QDSL10 | 1000 | 120 | 24-615 | 13/330 | |
| QDWSL15 | QDSL15 | 1500 | 120 | 24-615 | 17/432 | |
| QDWSL25-2 | QDSL25-2 | 2500 | 240 | 24-615 | 22/559 | |
| QDWSL30-2 | QDSL30-2 | 3000 | 240 | 24-615 | 25/635 | |
Custom riser heights available.
| QuickPlug™ Replacement Standard Bayonet | |||||
| 304 Stainless System Model |
304 Stainless Heater Model |
316 Stainless System Model |
316 Stainless Heater Model |
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| QDWS5 | QDWS505A | QDS5 | QDS505A | ||
| QDWS10 | QDWS1107A | QDS10 | QDS1107A | ||
| QDWS15 | QDWS1509A | QDS15 | QDS1509A | ||
| QDWS15-L281 | QDWS1509A-L28 | QDS15-L28 | QDS1509A-L21 | ||
| QDWS25-2 | QDWS2515A-2 | QDS25-2 | QDS2515A-2 | ||
| QDWS30-2 | QDWS3018A-2 | QDS30-2 | QDS3018A-2 | ||
| QuickPlug™ Replacement L-Shape |
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| 304 Stainless System Model |
304 Stainless Heater Model |
316 Stainless System Model |
316 Stainless Heater Model |
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| QDWSL5 | QDWSL505A | QDSL5 | QDSL505A | ||
| QDWSL10 | QDWSL1107A | QDSL10 | QDSL1107A | ||
| QDWSL15 | QDWSL1509A | QDSL15 | QDSL1509A | ||
| QDWSL25-2 | QDWSL2515A-2 | QDSL25-2 | QDSL2515A-2 | ||
| QDWSL30-2 | QDWSL3018A-2 | QDSL30-2 | QDSL3018A-2 | ||
Custom riser heights available

| QuickPlug™ Replacement Indicating Digital Controls | |||
| Control Mode | Volts | Amps | Temp Range |
| QD50-1 | 120 | 15 | -30 to 220°F/-35 to 105°C |
| QD50-2 | 240 | 15 | -30 to 220°F/-35 to 105°C |
For product information / pricing to: protherm@comcast.net