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Featured Image for 23175A-4000

These devices are activated by pressure (or lack of pressure) in a high-pressure system. A piston is connected to a micro-switch that will either complete or interrupt an electrical circuit. Common applications for them are for turning on/off burners in hot water pressure washers and sending a signal to start or stop an electric motor. These devices are available in brass or stainless steel.

For individual specifications see below.

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

Specification US Metric
Maximum Pressure3650 PSI248 bar
Actuation Pressure640 PSI44 bar
Tempurature Rating165 °F90 °C
Inlet Port1/4" MNPT
Weight0.6 lbs.0.27 kg
Electrical Connection: BrownNormally Open
Electrical Connection: RedCommon
Electrical Connection: BlueNormally Closed
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.
Repair Kit – Part #09541
2 14044 O-Ring 2
3 14039 Back Up Ring 1
11 14088 O-Ring 1
14 14090 O-Ring 1
Repair Kit for 23175A-4000 – Part #09662
1 14092 1/4″ Stainless Steel Nipple 1
2 14044 O-Ring 2
3 14039 Back Up Ring 1
4 14086 Brass Piston 1
5 14041 Washer 1
6 14093 Spring 1
7 08619 Washer (4 x 8 mm) 1


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  • Giant Industries Limited Warranty
  • 23175A-4000



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