Metering & Integration Solutions
Metering & Integration Solutions
Energy & Water Metering Products
Sierra BoilerTrak 620S Natural Gas Meter

Sierra BoilerTrak 620S Natural Gas Meter

  • Optimized natural and propane measurement for 1, 2, 3, 4 inch sch. 40 pipe 
  • Wide flow ranges from 0 to 42,000 scfh
  • Easily install in the field or retrofit
  • Certified for GHG measurement meeting EPA (40 CFR Part 98)
  • Boiler MACT certified for area source boilers (40 CFR 63, subpart JJJJJJ) and for major source boilers (40 CFR 63, subpart DDDDD) Learn More


BoilerTrak™ is designed to provide an economical, easy-to-install solution for precise natural gas measurement for heaters and boilers to increase efficiency. The thermal mass meter is also suited for compliance with new regulations for burning natural gas and propane in commercial boiler applications. 

EPAs GHG & Boiler MACT Certified 
The BoilerTrak insertion flow meter is also ideal for compliance for Boiler MACT regulations for inlet fuel measurements for area source boilers (40 CFR 63, subpart JJJJJJ) and for major source boilers (40 CFR 63, subpart DDDDD). Learn More

Developed as a fuel measurement solution for customers facing compliance to the California Global Warming Solutions Act of 2006, BoilerTrak™ meets all of the requirements for a stationary combustion fuel meter. This product is optimized for highly accurate and repeatable mass flow metering as mandated by the EPA, including:

  • Methane (CH4)
  • N20
  • SF6
  • HFCs
  • PFCs
  • CO2

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Product Details
Product Benefits

  • Since 2006, over 25,000 units installed on methane, propane, natural gas
  • Greenhouse Gas (GHG) certified to meet EPA (40 CFR Part 98)
  • Smart electronics permit field adjustment of critical flow meter settings
  • 200-millisecond response to changes in flow rate
  • Programmable pulse output for remote totalization
  • Minimal flow blockage and low pressure drop
  • Field flow-range adjustment, meter validation and diagnostics
  • Program transmitter via RS-232 using free user software or with three push-buttons on display interface
  • Sierra's state-of-the-art ISO 9000 calibration facility matches each application to ensure best accuracy
  • Flow-range adjustment and validation and diagnostics
  • Field validation/configuration to ensure operating performance
  • Flow totalizer and alarms
  • 2 x 12 backlit LCD display totalizer value
  • Remote enclosure mounting available
  • Very low pressure drop
  • No moving parts
  • Free computer interface software
  • Certified for Boiler MACT measurement meeting EPA regulations for area source boilers (40 CFR 63, subpart JJJJJJ) and for major source boilers (40 CFR

  •  63, subpart DDDDD) Learn More.
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