Bell & Gossett 138808 GMU30 Glycol Make-Up Unit

Bell & Gossett 138808 GMU30 Glycol Make-Up Unit

The Bell & Gossett 138808 GMU30 Glycol Make-Up Unit is an essential system component designed to automatically replenish fluid and maintain pressure in hydronic heating and cooling loops that utilize Glycol antifreeze solutions. The GMU30 model features a 30-gallon reservoir capacity, providing reliable, continuous protection and ensuring proper system pressure without manual intervention. Choose this Bell & Gossett Glycol Make-Up Unit for critical system reliability and reduced maintenance in closed-loop systems.

138808 Bell & Gossett GMU30P Glycol Make-Up Unit. Bell & Gossett’s Glycol Make-up Unit provides pressurized solution for closed loop heating, chilled water, process systems, snowmelt, radiant heat, and is ideal for use as a break tank for potable water systems.

Requires a 115/1/60 single power connection and a 3/4? NPT system piping connection.

Features and Benefits

• The GMU is completely automatic. Maintains minimum system pressure levels.
• Glycol solution addition is controlled by a pressure switch
• Low level alarm contact
• Options: Fill valve for break tank systems
• Custom Offerings:
  • Duplex configuration
  • 100 gallon tank
  • 3-phase input power