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Mechanical Feature Comparison of Sentra HE, LE & VE Series Temperature Control Units
Generally, Sentra 'SK' Series temperature control unit mechanical packages are similar but there are a few differences that are determined by the instrument. Use the chart below to compare.
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- Electrical & Instrumentation
- Mercury Heater Contactor
- HE: Yes
- LE: Yes
- VE: Yes
- Pump Motor Contactor
- HE: Yes
- LE: Yes
- VE: Yes
- Transformer
- HE: Yes
- LE: Yes
- VE: Yes
- Fused 110 Volt Control Circuit
- HE: Yes
- LE: Yes
- VE: Yes
- Installed 10' Power Cord
- Power cord not included on custom units and units with heaters larger than 16kw and/or pumps larger than 3 hp.
- HE: Yes
- LE: Yes
- VE: Yes
- Number of Sensor Probes
- HE: 2
- LE: 1
- VE: 1
- Remote Instrument Option
- HE: Yes
- LE: No
- VE: No
- Pressure Gauges
- To Process
- HE: Yes
- LE: Yes
- VE: Yes
- From Process
- HE: Yes
- LE: Yes
- VE: Yes
- Limit
- HI Temperature Limit
- HE: Yes
- LE: Yes
- VE: Yes
- 150 PSI Pressure Relief Valve
- HE: Yes
- LE: Yes
- VE: Yes
- Water Supply Pressure Switch
- HE: Yes
- LE: Yes
- VE: Yes
- Pump Motor Overload
- HE: Yes
- LE: Yes
- VE: Yes
- 110 Volt Alarm Output
- HE: Yes
- LE: Yes
- VE: No
- FLow Meter
- Hall Effects Sensor
- HE: Yes
- LE: No
- VE: No
- Digital Display
- HE: Yes
- LE: No
- VE: No
- Magnetic Rotator
- HE: Yes
- LE: No
- VE: No
- Heating Cylinder
- Custom Casting
- HE: Yes
- LE: Yes
- VE: Yes
- Flange Mounted Heater
- HE: Yes
- LE: Yes
- VE: Yes
- Flange Mount to Pump
- HE: Yes
- LE: Yes
- VE: Yes
- Machined To Process Port
- HE: Yes
- LE: Yes
- VE: Yes
- Non-Ferrous Construction
- HE: Optional
- LE: Optional
- VE: Optional
- Cooling Cycliner
- Custom Casting
- HE: Yes
- LE: Yes
- VE: Yes
- Flange Mount to Pump
- HE: Yes
- LE: Yes
- VE: Yes
- Machined From Process Port
- HE: Yes
- LE: Yes
- VE: Yes
- Machined Water Supply Port
- HE: Yes
- LE: Yes
- VE: Yes
- Cooling Valve
- AVT™ Modulating Valve
- HE: Yes
- LE: Yes
- VE: No
- PVT™ Solenoid Valve
- HE: No
- LE: No
- VE: Yes
- Pump
- Custom Cast Casing
- HE: Yes
- LE: Yes
- VE: Yes
- Flange Mounts for Cylinders
- HE: Yes
- LE: Yes
- VE: Yes
- Pump Seal Flush
- HE: Yes
- LE: Yes
- VE: Yes
- Stainless Steel Pump Shaft
- HE: Yes
- LE: Yes
- VE: Yes
- Bronze Pump Impeller
- HE: Yes
- LE: Yes
- VE: Yes
- Non Ferrous Construction
- HE: Opt
- LE: Opt
- VE: Opt
- Cabinetry/Frame
- Thermoformed Polymer Front Panel
- Thermoformed polymer front panel is not installed on custom units and units with heaters larger than 16kw and/or pumps larger than 3 hp.
- HE: Yes
- LE: Yes
- VE: Yes
- Stainless Steel Cabinetry
- HE: Yes
- LE: Yes
- VE: Yes
- Galvanized Steel Base
- HE: Yes
- LE: Yes
- VE: Yes
- 2" Swivel Casters
- HE: Yes
- LE: Yes
- VE: Yes
- Lift-Off Access Panel
- HE: Yes
- LE: Yes
- VE: Yes
- Close Circuit Cooling
- Indirect Cooling via Heat Exchanger
- HE: Optional
- LE: Optional
- VE: Optional
- Warranties
- Mechanical
- HE: 2 Year
- LE: 2 Year
- VE: 2 Year
- Pump Seal
- HE: Lifetime
- LE: Lifetime
- VE: Lifetime
- Heater
- HE: 4 Year
- LE: 4 Year
- VE: 2 Year
- Instrument
- HE: 4 Year
- LE: 4 Year
- VE: 4 Year
- AVT™ Valve
- HE: 4 Year
- LE: 4 Year
- VE: n/a
- PVT™ Valve
- HE: n/a
- LE: n/a
- VE: 2 Year
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