Discontinued Products 
Discontinued Product Lines 

Please note that all products displayed on this page are no longer availalable for purchase.

This page is made available so you can access and obtain documentation and information on discontinued products. We are committed to supporting you with your installed base. If you need further assistance, please contact your local sales representative here or one of our Customer Service team members via email at:

 CustServe.RAS@Emerson.com

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 Discontinued Modules and Options
  ROC800-Series HART 1 Module

 Bristol Brand Products
5453-10G Indicating Pneumatic Pressure Controller
The Bristol 5453-10G indicating pneumatic pressure controller with 624-II control unit is appropriate for a wide range of applications where non-electric pressure control is required, such as steam and gas.
Bristol® 2808-16B Flush Mount Transmitter (Discontinued)
The model 2808-16B is a low power analog transmitter that accurately measures gauge pressure and is intended specifically for level measurement applications for processes including pulp, slurries, and wastewater.
Bristol® 2808-35B Differential Pressure Transmitter (Discontinued)
The model 2808-35B is a low power analog transmitter that accurately measures differential pressure and is excellent for DP flow metering applications as well as tank level measurement.
Bristol® 2808-41A RTD Temperature Transmitter
The model 2808-41A provides accurate measurement of temperature, via a 100 Ohm RTD probe, and is excellent for flow meter temperature correction and all RTD temperature measurement applications.
Bristol® 53011 and 53012 8" Round Chart Pressure Recorders (Discontinued)
Series 530 Pressure Recorder/Portable Recording Gauges - 8-inch round chart recorder for a variety of pressure, vacuum and compound measurement applications. Available with 1 or 2 recording pens, wall, panel, or portable configurations.
Bristol® 5453-31G Flow/Differential Liquid Level Controller
The series 5453-31G is part of the Bristol 624-II family of pneumatic instruments. It is designed for performance and durability under rigorous operating conditions for monitoring level of, or flow from, a tank.
Bristol® 5453-40G Temperature Controller
The series 5453-40G features a high quality thermal system, the key component to the instrument's high accuracy. Used for steam plants, pulp and paper, wood drying, and building temperature control when non-electric temperature control is required.
Bristol® 5457-10G Gauge Pressure Controller
The series 5457-10G pneumatic controller with remote electronic setpoint is explosion-proof and can be adjusted electrically by either discrete or analog inputs. It is suited for use in gas distribution, or where remote field mount control is desired.
Bristol® 5457-31G Flow/Differential Liquid Level Controller
The 5457-31G Pneumatic Flow and Differential Liquid Level Controller is explosion-proof, can be adjusted by either discrete or analog inputs, and is suitable for gas transmission and distribution where control with pressure override flow is required.
Bristol® 5457-40G Pneumatic Temperature Controller
The series 5457-40G is part of the Bristol 624-II family of pneumatic instruments. It uses remote electronic setpoint technology that allows remote manipulation of the setpoint.

 FloBoss Brand Products
FloBoss™ 407 Flow Manager
The FloBoss 407 is recommended only for customers that are expanding their installed base. For new applications and installations, we recommend using the FloBoss 107/107E or ControlWave family of flow computers.

 Helicoid Brand Products
Helicoid bimetal thermometersHelicoid® Bi-Metal Thermometers
Helicoid bi-metal thermometers feature 304 stainless steel all -welded construction for long service life in direct-read applications.
Helicoid diaphragm sealsHelicoid® Diaphragm Seals
Helicoid diaphragm seals are designed as a protective attachment for use with gauges or other pressure responsive instruments.
Helicoid indicating pressure switchesHelicoid® Indicating Pressure Switches
Helicoid Indicating Pressure Switches are a combination of our unique pressure gauge and a lens mounted solid state switching element.
Helicoid pressure gaugesHelicoid® Pressure Gauges
Helicoid process gaugesHelicoid® Standard Process Gauges
Helicoid is the industry’s most cost-effective gauge incorporating a unique combination of innovative design features and superior materials.
Helicoid thermowellsHelicoid® Thermowells
Thermowells are thermally conductive bar stock sockets which protects the temperature sensor from damage due to pressure, flow or corrosion.

 Other Products
7955 Flow Computer
The 7955 is a panel-mount flow computer that is recommended only for customers that are expanding their installed base. For new applications and installations, we recommend using the FloBoss S600 Panel Mount flow computer.

 ROC Brand Products
ROC300-Series Remote Operations Controllers
The ROC300-Series Remote Operations Controllers are recommended only for customers that are currently expanding their installed base. For new applications and installations, we recommend using the ROC800-Series or ControlWave family of products.

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