Thermal Equipment Sales Co., Inc.

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Side Mount Level Control (Heavy Duty)

30 Years of experience in the Level Measurement industry!
We handle Princo, K-tek, Thomas, Major, Cemco, Madison, & More.
  • Low cost
  • All stainless wetted parts
  • Explosion proof enclosure (790)
  • No O-ring or gland seals
  • Isolates fluid from switch enclosure
  • Hermetically sealed reed switch (770,780)
  • SPDT and DPDT microswitches (790)
  • CSA approved
  • External gauge
  • Class I Group C & D, Class II Group E, F & G
  • Class III, Type 4x (790)


Perfect for:
  • High-Low alarm systems
  • Pump on, pump off level control systems!
  • Overflow indication on vessels or tanks!
  • Low Level Shut-Down on Tank Heating Processes!


  • Size: 1",1 1/2", 2", 2 1/2", 3"
  • Working pressure: 0-5000 PSI
  • Temperature: 0-400 F
  • Switches: reed switch (770,780), microswitch (790)
  • Housing: 316SS
  • Connections: NPT, flanged, 316SS
  • External cage
  • High temperature (400 F) switch
  • High amp (11A) switch
  • Gold contact switches
  • Annulus plug
*** DATA SHEET ***
Standard Level Switches
Catalog# Contact Amp Rating Fitting Size Weight Price $ Add To Cart
790-SF-1A SPDT 5 Amps @ 120/240 VAC 1-1/2 NPT 9 329.00
790-SF-2A SPDT 5 Amps @ 120/240 VAC 2 NPT 10 359.00
This is just the standard Units, Please take a Look at the Data Sheet for more options!

We design Themperature Control Systems and have for 30 years

. Chances are we've seen your application
Call us for Application Assistance.

(901) 452-4516



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