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X-Pump Block

X-Pump Block

X-Pump Block

The Taco X-Pump Block ® (XPB) is another breakthrough in the design, control and installation of radiant systems that delivers unmatched flexibility in a single unit. It is equally effective when used with open or closed systems, barrier or non-barrier tubing and where the system heat source is a boiler or water heater.

The Taco X-Pump Block combines a variable speed mixing control, a heat source circulator, system circulator and heat exchanger in a single unit. This combination delivers complete system isolation between the heat generation side of the system and the heat delivery side, whether radiant tubing, glycol based snowmelt, baseboard, etc.

Catalog
Instruction Sheet
Submittal Data
Wiring Guides
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Performance Data
Flow Range: 0-7.5 GPM
Head Range (ft): 0-15.5′
Min. Fluid Temp.: 32˚F (0˚C)
Max. Fluid Temp.: 185°F (85˚C)
Max. Working Pressure: 125 PSI
Connection Sizes: ¾” NPT
Features
  • All-in-One Heat Exchanger, Dual-sided Circulators and Mixing Control Package
  • Brazed Plate Heat Exchanger
    • Provides Complete Isolation
    • Stainless Steel Easily Removable
    • Double Wall Optional
  • Only 4 Pipe Connections Required
  • Plug-in Low Voltage Connections
  • Solid State Microprocessor Design
  • Greatly Decreases Installation Time
  • Substantial Space Savings
  • Line Cord Included, Hard Wire Option
  • Stainless Steel Casing for Open/Closed Systems
  • Replaceable Cartridge Design
  • Maintenance Free, Wet-Rotor Circulators
  • 2 Operation Modes:
    • Outdoor Reset
    • Setpoint with/ without Delta T Limiting
  • Main System Pump Contact
  • 100% Pump Operation/Control Override Switch
  • Automatic Pump Exercise
  • Adjustable Reset Ratio
  • Warm Weather Shutdown
  • Large LCD Display
  • Outdoor and 2 Strap-on Sensors included
Applications
  • Outdoor Reset Control
  • Setpoint Control
  • Delta T Limiting Control
  • Requires only four pipe connections for complete installation.
  • Does not require special piping, balancing valve, closely spaced tees, external control or complex wiring
Case Studies

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