Vulcan
Vulcan 1C1C9 Cal-Stat Thermostat Open on Rise -100 to 600 Degrees F
Cal-Stat thermostat opens on temperature rise from -100 to 600 °F for fryers and food-service equipment
- TypeLearning Thermostats
- Wide -100 to 600 °F range suits fryers
- Open-on-rise SPST switch protects against overheating
- ±1/2 °F differential keeps temperature steady
- 1/2 in sheath fits 3/8 NPT fittings
- UL and CSA listed for commercial kitchens
Cal-Stat Thermostat for Food Service
The Vulcan 1C1C9 is a process thermostat designed for fryers and other food service equipment. It operates on an open-on-rise switch action with a control range from -100 to 600 degrees Fahrenheit. The unit carries UL and CSA agency compliance for safety standards.
SPST Switch and NPT Thread
A single SPST switch rated at 5 A resistive at 120 V and 3 A at 240 V changes state when temperature rises. The 3/8 in. NPT thread and 1/2 in. sheath diameter allow direct immersion into the process. The +/- 1/2 degree differential provides consistent cycling for cooking applications.
Direct Immersion Installation
The thermostat installs by threading the 3/8 in. NPT fitting into a compatible vessel or fitting. The 2 in. insertion depth must match the equipment's thermowell or port depth for accurate sensing. Incorrect depth or mismatched thread size are the most common reasons the control fails to regulate temperature properly.
Highlights
- Wide -100 to 600 °F range suits fryers
- Open-on-rise SPST switch protects against overheating
- ±1/2 °F differential keeps temperature steady
- 1/2 in sheath fits 3/8 NPT fittings
- UL and CSA listed for commercial kitchens
Specifications
| Brand | Vulcan |
|---|---|
| Model | 1C1C9 |
| Type | Learning Thermostats |
Questions about this item
How often does the SPST switch on this Vulcan 1C1C9 thermostat need replacement under normal use?
The SPST switch is rated for 5 A at 120 V and 3 A at 240 V; if the load stays within those limits the contact life matches typical industrial thermostat expectations, otherwise early replacement may be needed.
What limits continuous operation first — the temperature range or the differential?
The control range spans -100 to 600 degrees F, so the thermostat can cycle continuously across that span; the +/-1/2 degree differential only sets the on-off band and does not curtail sustained use.
How much heat does the thermostat itself generate when it runs all day in a fryer?
The device is a passive mechanical control with no internal heater; its own heat contribution is negligible compared with the fryer elements it switches.
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