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190029 - Miller Coolmate Pressure Switch and Regulator Assembly

Packaging: 1 per ea
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$826.09/ea $569.72/1 per ea only $569.72/eaSave 31%

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OVERVIEW

Genuine Miller 190029 Regulator/Switch for Coolmate Systems

The Miller 190029 Regulator/Switch with Fittings is a critical component designed for the maintenance and repair of Miller Coolmate coolant systems. As an original equipment manufacturer (OEM) part, it guarantees precise fitment and reliable performance within your industrial welding setup. This device functions primarily as a pressure safety switch, playing a vital role in the protection of water-cooled TIG and MIG torches. By monitoring the pressure within the coolant loop, the switch ensures that adequate fluid is circulating before allowing the power source to deliver high-amperage welding current. This preventative mechanism is essential for avoiding catastrophic torch failure due to overheating.

Engineered to meet Miller's strict quality standards, the 190029 assembly comes complete with the necessary fittings, streamlining the replacement process for maintenance technicians. It is compatible with a range of Miller cooling units, including the popular Coolmate 3, Coolmate 3.5, and Coolmate 4 series. In industrial environments where equipment downtime translates directly to lost revenue, using genuine Miller parts ensures that repairs are effective and long-lasting. The switch is calibrated to detect drops in pressure that could indicate a blockage, leak, or pump failure, thereby acting as the first line of defense for your expensive welding peripherals.

Integrating this regulator/switch into your maintenance inventory allows for immediate response to cooling system faults. The robust construction of the switch is designed to handle the vibration and thermal cycles common in heavy-duty welding workshops. Whether you are refurbishing an older Coolmate unit or replacing a failed sensor on a production line machine, the Miller 190029 provides the assurance of safety and continuity in your welding operations.

Key Applications:

  • Replacement of faulty pressure switches in Miller Coolmate units.
  • Restoring safety interlock functionality for water-cooled welding.
  • Preventative maintenance for aging cooling systems.
Additional Information
Packaging Description:1 Per Ea
Product Type:Pressure Switch, Regulator Switch
Application:Coolant Systems, Water-Cooled TIG
Compatible Models:Coolmate 3, Coolmate 3.5, Coolmate 4
----- new values below ----
Product Type:Pressure Switch, Regulator Switch
Application:Coolant Systems, Water-Cooled TIG
Compatible Models:Coolmate 3, Coolmate 3.5, Coolmate 4
Brand:Miller
Packaging Description:1 Per Ea

INCLUDED

  • 1 x Miller 190029 Regulator/Switch Assembly
  • Pre-installed Fittings
  • Installation Instructions

APPLICATIONS

  • Miller Coolmate 3 Coolant Systems
  • Miller Coolmate 3.5 Coolant Systems
  • Miller Coolmate 4 Coolant Systems
  • Industrial TIG Welding Stations
  • Automated MIG Welding Cells with Water Cooling

FAQ

The Miller 190029 serves as a pressure safety switch and regulator for coolant systems. It monitors the flow of coolant to the torch and prevents the welding machine from operating if the pressure is insufficient, thereby protecting the torch from overheating.

This regulator/switch is designed for use with Miller Coolmate coolant systems, specifically the Coolmate 3, Coolmate 3.5, and Coolmate 4 units.

Yes, the Miller 190029 assembly includes the necessary fittings attached to the switch, making installation easier and ensuring a proper seal.

Common signs include your welding machine displaying coolant flow errors even when the pump is running, or the machine refusing to arc because it cannot detect coolant flow. In some cases, the switch may leak fluid.

It is highly recommended NOT to bypass this switch. Doing so removes the safety protection for your water-cooled torch. If coolant flow stops while the switch is bypassed, your torch power cable can melt or the torch head can be destroyed very quickly.

Yes, this is a genuine Miller Electric OEM part, ensuring it meets the original factory specifications for safety and durability.

Typically, these OEM switches come factory-set to the specific requirements of the Coolmate pumps and are not intended to be user-adjustable to ensure consistent safety margins.

Generic switches may not have the correct pressure activation threshold or the specific fittings required for the Coolmate system. Using an incorrect switch could lead to nuisance tripping or, worse, failure to trip during a low-flow event, damaging your equipment.