Shurflo 2088-394-154 Auto Demand Pump – 115V, 3.2 GPM @ 40 PSI

Part Number: 2088-394-154
Category: AC Diaphragm Pumps
Type: Shurflo 2088 Series Auto Demand Pump – 115V, 3.2 GPM @ 40 PSI

The Shurflo 2088-394-154 is a dependable 115V AC auto-demand diaphragm pump engineered for continuous-duty operation in fluid transfer and dispense-on-demand systems. Delivering up to 3.2 GPM with a 40 PSI demand switch, this pump automatically starts and stops based on system pressure—eliminating the need for external controls.

Technical Specifications

• Model / Part Number: 2088-394-154

• Series: Shurflo 2088

• Voltage: 120V AC (115V Nominal)

• Max Flow: 3.2 GPM (open flow)

• Max Discharge Pressure: 45 PSI

• Demand Pressure Switch: Yes (Auto On/Off)

• Duty Cycle: Continuous

• Max Head: 104 ft

• Flow Rates:

  • @ 0 PSI: 3.2 GPM

  • @ 20 PSI: 2.41 GPM

  • @ 40 PSI: 1.84 GPM

• Diaphragm: 3-Chamber, Santoprene®

• Check Valve Material: Viton®

• Housing: Polypropylene

• Inlet Port: 1/2" NPSM

• Discharge Port: 1/2" NPSM

• Max Fluid Temperature: 130°F (54°C)

• Dimensions: 8.6" L x 5.0" W x 4.4" H

• Certifications: UL Listed, CSA Certified

• Power Source: Electric (AC)

Key Features & Benefits

• Auto-demand operation – runs only when pressure drops

• Continuous-duty rated for reliable, long-term use

• Self-priming design for easy installation

• Durable Santoprene diaphragm and Viton check valve

• Chemical-resistant polypropylene housing

• Compact footprint for tight installations

• UL & CSA certified for safe AC operation