This valve is designed to remove hot fluid from the inlet chamber of the pump.  The valve will automatically reset once the fluid temperature is below the set point of the valve.  It is designed to help prolong seal life of the high pressure pump.

WARNING: This product might contain a chemical known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

  • Giant Industries Limited Warranty
  • 23420B Literature


U.S. Metric
Flow 8 GPM 30 L/min
Pressure (Maximum) 90 PSI 6.2 bar
Continuous Temperature 140 ºF 60 ºC
Inlet 1/4″ NPT
Weight 0.3 lbs 0.14 kg


No repair kits available.  To replace this item please contact Giant Customer Service.

Repair Kits Available

The repair kits listed to the right are available for this pump. If you need further information about these repair kits, or have questions about other specific parts for your pump, please contact you local Giant distributor or contact Giant customer service.

Service & Repair

Giant provides service on each pump and accessory that we sell. Many basic repair procedures are covered in the Giant repair manual. For all other questions on service or repair needs please contact your local Giant distributor.