The latest products from Rathe Associates


We are a manufacturer and marketer of innovative products for heating, cooling, plumbing and process works applications. Our expertise is the control of temperature, pressure and flow of water-based fluids. Our products range from control valves, balancing devices and flow switches to zone relays and heat meters.


Because we use a 3-way valve – we get best flows!

LEGIOMIX¬ģ Electronic Mixing Valve

Electronic mixing valve with optional selectable programs for thermal disinfection of hot water recirculation systems to kill Legionella bacteria.

  • 3-way ball valve
  • 3-wire floating¬†Control actuator
  • Controller/user interface with DIN rail mounting bracket
  • Mixed outlet temperature sensor/probe
  • Return temperature sensor strap on mixed outlet
  • Temperature gauge¬† ¬†
  • Sizes – 3/4″ up to 3″

Rathe Associates 631-822-1200

Piping a mixing valve has never been simpler!

AngleMix Thermostatic Mixing Valve With Temperature Gauge

  • Adjustment temp range: ¬†95¬į – 150¬įF
  • Max inlet temp:¬† 195¬įF
    Gauge scale:¬† 30¬į – 210¬įF
  • Min flow for optimum performance: ¬†0.5 gpm (0 gpm with recirculation)

Rathe Associates 631-822-1200

The Best Built Zone Valve. Built to Last!

Z-one Zone Valves

  • The actuator simply pops off for easy servicing.
  • Spring return actuator.
  • Auxiliary micro-switch.
  • Water /¬†Steam
  • Available – Press – Sweat – NPT

Install the Z-one‚ĄĘ valves together with our¬†ZVR relay and qualify for an industry-exclusive¬†five-year warranty.

Rathe Associates 631-822-1200

It’s The Easiest To Use Balancing Valve On The Market!
Just Pull The Pin – See The Flow & Set It!

QuickSetter Balancing Valve

The 132 series of Static balancing valves with flow meters.

  • Direct reading of flow rate.
  • No sight gauge clouding or scaling.
  • Brass valve body and flow meter.
  • Rotatable valve for flow rate adjustment.
  • Graduated scale flow meter with magnetic movement flow rate indicator.
  • Sizes: 1/2″ – 3″
  • Max working pressure: 150 psi
  • Temp range: 14¬į – 230¬įF

Rathe Associates 631-822-1200

The Simplest Way To Balance Your Recirculation Lines! 

ThermoSetter Thermal Balancing Valve

Adjustable thermal balancing valve for domestic hot water recirculation circuits. 
Body has section for thermal disinfection catridge retrofit.

DZR low-lead brass valve body.

  • Drywell for temperature gauge or probe.
  • Optional outlet temperature gauge.
  • Optional check valve.

Rathe Associates 631-822-1200

With Automatic Fast Fill Feature!
No levers to press to activate fast fill feature!

AutoFill Combo 

Pre-adjustable automatic boiler fill valve with an optional backflow preventer and pressure gauge.

  • Comes with shut off valve.
  • Setting pressure range:¬†¬†3 – 60 PSI
  • Preset outlet pressure:¬†¬†15 PSI
  • Pressure gauge scale:¬† 0 – 60 psi¬†

Rathe Associates 631-822-1200