TACO RMB-1 Radiant Mixing Block®

The Taco Radiant Mixing Block® is a breakthrough in the design, control and installation of hydronic radiant heating systems. The RMB-1 is a complete injection mixing system, combining a variable speed injection mixing control, injection circulator, system circulator and air elimination all in a single unit. You get unmatched versatility and performance as a result.

• Use as an outdoor reset control, a setpoint control or a 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.

TACO RMB-1 Radiant Mixing Block® Features:

• Plug-In, Low Voltage Connections
• Solid Stage Microprocessor
• Replaceable Cartridge Design
• Maintenance-Free, Wet-Rotor Circulators
• Bronze Casing for Open or Closed Systems

The Taco Radiant Mixing Block (RMB) is engineered to simplify radiant system installation and provicde years of quiet, dependable service. With only four piping connections needed, the RMB slashes space requirements and installation times to a minimum.

The RMB's patent pending design combines a variable speed injection mixing control, an injection circulator, a system circulator, and air elimination into one simple unit. The RMB can be set up to operate as an outdoor reset control, or a setpoint control, with or without delta T limiting, providing flexibility never before seen in a single unit.

The compact TACO RMB-1 Radiant Mixing Block® is packed with features - Highlights include:

• Solid state microprocessor control
• Bronze Casing for open or closed systems
• Just 5 1/2" wide x 14" tall
• Replacement cartridge design
• Dual maintenance-free, "00" wet rotor circulators
• Integral check valve (IFC)
• Powered or unpowered demand signal
• Main system pump contact
• Boiler control or enable setting
• Adjustable reset ration
• Warm weather shutdown
• Boiler protection
• Outdoor and 2 strap-on sensors included
• Much more

About Sizing and Piping for the TACO RMB-1 Radiant Mixing Block®

The Taco Radiant Mixing Block®  can handle radiant load demands of up to 120,000 BTUs, and there's no need to change your current method of zoning the radiant loops. You can even use multiple RMBs to easily separate the distinctive temperature requirements between manifold easily, without special piping. Just 4 connections do the job.

Additional Information on TACO Radiant Mixing Block

 TACO RMB-1,  Additional Documentation:

TACO RMB-1 Instruction Sheet
Catalog Page for TACO RMB-1
Submittal Sheet for TACO RMB-1

Radiant Mixing Block Wiring Guides

Here are links to TLC - The Taco Learning Channel. there you wil find a very good 2 part Web Video Training on the TACO  Radiant Mixing Block Model #RMB-1. (See links on bottom of page)  

Taco Video: Radiant Mixing Block^® RMB-1 - Part 1 

Taco Video: Radiant Mixing Block^® RMB-1 - Part 2