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Transparent 5 inch dial bimetal thermostat with stainless steel housing and glass lens

Zoro Select

Zoro Select 1NGF1 Bimetal Thermostat 5 in Dial -20 to 120 F

SKU CH-8W7N-37YPW

A bimetal dial thermostat covering -20 to 120 °F with a 5 in dial and stainless-steel housing

  • Product colorTransparent
  • Wide temperature range from -20 °F to 120 °F
  • Dual-scale dial shows both Fahrenheit and Celsius readings
  • Large five-inch dial for easy visibility at a distance
  • Stainless-steel housing with glass lens resists corrosion and impact
  • Nine-inch stem reaches deep into ducts or tanks

Zoro Select 1NGF1 Bimetal Thermostat -20 to 120 °F

This dial thermostat measures temperature from -20 °F to 120 °F with a 5 in dial and a 9 in stem. It is built for HVAC technicians and facility managers who need a direct-reading instrument for air or fluid lines. The stainless steel housing and glass lens suit industrial and commercial environments.

Check stem length and connection before ordering

Verify that the 9 in stem reaches the process media in your pipe or duct. Confirm the 1/2 in NPT back connection matches your existing fitting. The unit has no NIST-traceable certificate, so buyers who require documented calibration traceability should look elsewhere.

Transparent dial face

The transparent dial face and glass lens provide clear visibility of the bimetal pointer across the full range. The stainless steel housing resists corrosion in damp mechanical rooms. No additional accessories, mounting hardware or software are included with this thermostat.

How it compares

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

Price $18.99
Cheaper than about 86% of the 286 comparable items (median $78.49).

Specifications

Product
Brand nameZORO SELECT
Product colorTransparent

Questions about this item

Does the Zoro Select 1NGF1 thermostat ship with a mounting fitting or must a 1/2 in NPT adapter be sourced separately?

The unit has a 1/2 in NPT back connection built into the stainless steel housing, so no separate adapter is required for standard pipe threads.

Should I choose the Fahrenheit or Celsius scale for a facility that logs both?

The 5 in dial displays both -20 to 120 F and -30 to 50 C simultaneously, so a single model covers both logging requirements.

What does the 9 in stem length mean when the thermostat is installed in a pipe?

The 9 in stem extends the sensing element that far into the flow, placing the bimetal coil in the process media for accurate reading.

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