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Dema 681GAP.2 2 Button 4 GPM Blend Center

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5.59 lbs
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This Blend Center features Action Gap backflow protection with model # 100.15K metering tip kit. Compatible with female garden hose fittings and 3/8" NPT piping. Requires a minimum of 20 PSI.
Prep 65

Prop 65


Technical Specifications

Max GPM: 4
Max PSI: 125
Max Temperature: 150 degrees F

Product Description

Dual Product Station

The Dema 681GAP.2 dual blend center has a flow rate of 4 GPM and contains a full blending assembly, housing, metering tip kit, and accessories! It's great for use at sink stations and with a variety of chemicals that need to be mixed with water. The water inlet is compatible with female garden hose fittings and also 3/8" NPT pipes. Simply interchange the pipe plug and female hose fitting to change the side that the water is supplied on.

Please see the attached specification sheet for installation diagrams and specific viscosity injection rates. A minimum pressure of 20 PSI is required. This blend center has green and red buttons for easy identification when paired with other blend center units.


  • Maximum flow: 4 GPM
  • Minimum pressure required: 20 PSI
  • Maximum pressure: 125 PSI
  • Maximum water temperature: 150° F
  • Action gap prevents backflow
  • Red and green buttons
  • Modular; combine with other units in series
  • Full blend center assembly
  • Durable stainless steel housing
  • Mounting hardware, tip kit, vinyl tubing, weights, label cards and foot valves included
  • Dema item #681GAP.2
  • Also known as #681GAP-2

WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm (For more information go to

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