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633 Blend Center for One Product

Named after the iconic 633 water valve, the DEMA Blend Center is one of the most well-known chemical dispensers in the world, with decades of reliability in its legacy. The Blend Center’s modular design lets you easily couple together any number of stations to create any system to meet your needs. Mix and match 1gpm (4 liters / min.) and 4 gpm (15 liters / min.) and choose from blue, red, green, yellow, or white buttons. Models include either Action Gap or air gap backflow protection.

Parts and Accessories
Backplate Kit
Water Supply Hoses
Chemical Storage Racks
Ultra-Lean Metering Tip Kit
Pressure Relief Tee
Faucet Adapter Kits
Water Diverter Valve
Features & Benefits
Models
Accessories
Resources
  • Unique modular design allows tool less connection of any number or systems
  • Compact size makes for easy out of the way installation
  • Easy to access to service without removing unit from the wall and water valve requires no tools to service
  • Water inlet easily switches from left or right side
  • Action Gap and air gap backflow options to meet local plumbing agency requirements
  • Compatible with SafeLink Closed Loop systems
Model No. Bottle or Bucket Color Button
633GAP.B1 Bottle Fill Blue
633GAP.B4 Bucket Fill Blue
633GAP.R1 Bottle Fill Red
633GAP.R4 Bucket Fill Red
633GAP.Y1 Bottle Fill Yellow
633GAP.Y4 Bucket Fill Yellow
633GAP.G1 Bottle Fill Green
633GAP.G4 Bucket Fill Green
633GAP.W1 Bottle Fill White
633GAP.W4 Bucket Fill White

41.079.1 Backplate Kit

Backplate Kit

    • The 633 Blend Center backplate makes installation even easier than it already is. This optional backplate attaches directly to the 633 and has built-in keyhole slots for easy mounting into the wall. Works great with coupling multiple units together.

Water Supply Hoses

Water Supply Hoses

    • DEMA manufacturers a variety of water inlet hoses for different applications.  DEMA inlet hoses are rated to 200psi, made of durable double-walled rubber, and crimped to our manufacturing facility specifications.  Refer to the DEMA water supply hose guide included in the Resources section of this product page for more information.

Chemical Storage Racks

Chemical Storage Racks

    • DEMA offers various chemical rack configurations to store chemical containers. Racks are available to mount DAH Extreme directly to the rack or mounted separately. The racks are metal wire and feature a powder-coated finish for durability and chemical resistance. Refer to the DEMA rack guide included in the Resources section of this product page for more information.

Ultra Lean Metering Tip Kit

Ultra Lean Metering Tip Kit

    • For applications that require very lean dilutions, DEMA offers an Ultra Lean Metering Tip Kit for purchase, separate from your dispenser.  The tip kit is DEMA# 100.15KU and comes with four additional metering tips.  Compatible with all DEMA action gap or air gap 1/4” metering elbow configuration.

Pressure Relief Tee

Pressure Relief Tee

    • 6 Pressure Indicating Tee is designed to protect faucet backflow devices not rated for continuous supply pressure and to virtually eliminate hot and cold-water cross connection. This device is tested and complies with ASSE 1055 and required by some state and local regulatory agencies. Check local plumbing regulations for back flow and connection requirements.
    • 6QD1 Tee with Male Quick Disconnect
    • 6QD2 Tee with Male and Female Quick Disconnect

Faucet Adapter Kits

Faucet Adapter Kits

    • 68.4 Faucet adapter kit makes installing proportioning equipment over the sink neat and easy. The kit includes adapters for Chicago, Fisher, and T & S faucets. A pre-built manifold consisting of a tee, ball valve, and water hose allows user to control water flow to sink or dispenser.
    • 68.4.2 kit includes Fisher adapters only and manifold assembly
    • 68.4.3 kit includes Chicago adapters only and manifold assembly
    • 68.4.4 kit includes T & S adapters only and manifold assembly
    • 68.4.NFS kit includes 6’ nylon braided NSF approved hose
    • 68.21 kit includes scrap hose sink adapter

Water Diverter Valve

Water Diverter Valve

    • The 591 water diverter valve screws on end of faucet and diverts water to dispenser by pulling a plunger while water is on.
Product
Blend Center 633
Model No.
All
Resource No. / Description
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