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Mechanical Thermostats provide the lowest cost solution for providing temperature control, but are limited to turning the heater on and off and must be used near the pipe being controlled. Control Systems are more expensive, but offer many additional features including temperature alarms, heater monitoring and communications.

Approved or certified temperature controllers must be used when installed in hazardous locations (explosive gases or dust).

If you do not see the Nelson Thermostat you are needing for your application. Please contact the Forberg Scientific Process Team at 248-288-5990 for pricing and availability.

You can contact the Process Team by the following email: processsales@forberg.com

Thermostat Selection Guide
Thermostat Options Guide
TH4X325 Data Sheet
TH7325 Data Sheet
TA4X140 Data Sheet
TA7140 Data Sheet
Item IDDescriptionPriceQuantity
TA4X140
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Heat Tracing ThermostatENCLOSURE: Die Cast Aluminum CLASSIFICATIONS: NEMA Type 4X IP66 TEMPERATURE RANGE: 15 to 140°F) CAPILLARY: N/A Stainless Steel MAX BULB TEMP: 160F CALIBRATION ACCURACY: 2F SWITCH TYPE: Single Pole Double Throw3$669.55/EA
TA7140
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Heat Tracing ThermostatENCLOSURE: Cast Aluminum CLASSIFICATIONS: NEMA Type 4, 7, 9 IP66 TEMPERATURE RANGE: 15 to 140°F CAPILLARY: N/A Stainless Steel MAX BULB TEMP: 160F CALIBRATION ACCURACY: 2F SWITCH TYPE: Single Pole Double ThrowCall$973.52/EA
TH4X325
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Heat Tracing ThermostatENCLOSURE: Die Cast Aluminum CLASSIFICATIONS: NEMA Type 4X IP66 TEMPERATURE RANGE: 25 to 325°F CAPILLARY: 10' Stainless Steel MAX BULB TEMP: 420F CALIBRATION ACCURACY: 3F SWITCH TYPE: Single Pole Double Throw4$796.90/EA
TH7325
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Nelson X-proof thermostatRange: 25 to 325oF, SPDT relay 22A @ 480vac, Stainless steel bulb and 10’ capillary, Enclosure cast aluminum NEMA4, 7, and 9, class 1 & 2, grps B, C, D, E, F, G.3$981.83/EA