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Vulcan learning thermostat with metal sheath and adjustment dial

Vulcan

Vulcan 1A1B9 Learning Thermostat 120V 10A 240V 5A

SKU CH-XP9M-T44V0 MPN 1A1B9

A learning process thermostat for fryers and food-service equipment, controlling from −100 °F to 600 °F with a ±½ °F differential and SPST open-on-rise switching rated 10 A at 120 V or 5 A at 240 V

  • Product typeLearning Thermostats
  • Wide 100 to 600 degree range suits fryers
  • Precise half-degree differential keeps oil steady
  • 10 amp 120 volt rating handles heavy loads
  • 5 amp 240 volt rating fits commercial wiring
  • UL and CSA listed for safety compliance

Process thermostat for fryers

This Vulcan 1A1B9 learning thermostat is a process control device built for fryers and similar food-service equipment. It uses a capillary tube with a 5/8 inch sheath diameter and an overall length of 4 3/8 inches. The unit is rated for resistive loads of 10 A at 120 V and 5 A at 240 V.

Buyers needing SPST open-on-rise action

The single-pole single-throw switch opens on temperature rise, making it suitable for high-limit safety or simple on-off control. It is not suited for applications requiring a switch that closes on rise, multi-stage switching, or a different contact configuration such as SPDT.

Control range from -100 to 600 degrees F

The thermostat operates across a control range of -100 to 600 degrees F with a fixed differential of +/- 1/2 degree F. This span determines whether the unit covers the temperatures your specific fryer or process requires.

How it compares

Measured against everything we stock in Thermostats & Thermostat Accessories, at today’s prices. Recalculated every night.

Price $68.99
Cheaper than about 55% of the 286 comparable items (median $78.49).

Specifications

Product
Brand nameVulcan
Model name1A1B9
Product typeLearning Thermostats

Questions about this item

How is the Vulcan 1A1B9 installed and which step is often missed?

Insert the 5/8 inch sheath to the 3 5/8 inch depth into the process well and secure it; the step often missed is verifying the insertion depth so the sensing element sits fully in the medium.

What maintenance or replacement will the Vulcan 1A1B9 need later?

The SPST switch contacts are rated for resistive loads at 120V 10A and 240V 5A; repeated cycling near these limits can wear the contacts, so plan to replace the thermostat when temperature control drifts beyond the +/-1/2 degree F differential.

What limit appears first during sustained high-temperature use of the Vulcan 1A1B9?

The control range tops out at 600 degrees F; sustained operation near this ceiling will hit the upper temperature limit before the 10A at 120V or 5A at 240V contact ratings become the restricting factor.

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