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.

Sentra Temperature Control Units

Use the OpenCloseto Open & Close the sections below.

  • OpenCloseElectrical & 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
  • OpenClosePressure Gauges
  • To Process
  • HE: Yes
  • LE: Yes
  • VE: Yes
  • From Process
  • HE: Yes
  • LE: Yes
  • VE: Yes
  • OpenCloseLimit
  • 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
  • OpenCloseFLow 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
  • OpenCloseHeating 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
  • OpenCloseCooling 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
  • OpenCloseCooling Valve
  • AVT™ Modulating Valve
  • HE: Yes
  • LE: Yes
  • VE: No
  • PVT™ Solenoid Valve
  • HE: No
  • LE: No
  • VE: Yes
  • OpenClosePump
  • 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
  • OpenCloseCabinetry/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
  • OpenCloseClose Circuit Cooling
  • Indirect Cooling via Heat Exchanger
  • HE: Optional
  • LE: Optional
  • VE: Optional
  • OpenCloseWarranties
  • 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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