📞 (703) 437-8161

✉ info@capitalenergyequipment.com

TF

Square Therma-Fuser (TF)

The Acutherm TF is a 24″ square, thermally powered variable-air-volume diffuser with integrated thermostatic control. It automatically regulates airflow to maintain room temperature setpoints, providing quiet, energy-efficient comfort control for each zone — without electrical or pneumatic connections.


Description

Product Model TF 24″ Square Options and Accessories Info:

  • Model: TF — Square Therma-Fuser diffuser
  • Types: TF-HC, TF-HC-LH, TF-CW, TF-C, TF-HC-NH, TF-D, TF-RA
  • Inlet Sizes: 6″, 8″, 10″, and 12″ round

Features

  • Thermally powered actuator — no wiring or pneumatics required.
  • Separate heating and cooling thermostats with individual adjustable setpoints.
  • Changeover thermostat automatically switches between heating and cooling.
  • Micrometer-type temperature setpoint dials accessible under hinged appearance panel.
  • Provides proportional airflow control maintaining temperature within ±1.5°F of setpoint.
  • Ten-year manufacturer warranty.

Options

  • Remote Adjust: DA1 or DA1M Digital Wall Adjuster
  • Relief Ring: R6, R8, or R10 for pressure bypass
  • Insulation: I for attic-side insulation
  • Security Hanger: H
  • Minimum Flow Stops: FR (rubber type) or FS (screw type)
  • Sheared Housing: 595 mm option for metric ceiling grids
  • Blow Patterns: TFD3 (3-way), TFD2 (2-way), TFD2C (corner), or TFD1 (1-way)
  • Silk Screen: S patterned face
  • Sensor: SMCS or SENSOR for third-party integration

Accessories

  • Ceiling Frames: TFHD (hard ceiling), TFSP (spline), TFT1/TFT2 (T-bar), TFAL (air lifter/open ceiling)

TF diffusers include a manual balancing lever for field setup, adjustable minimum airflow stops, and accessible calibration through the appearance panel for maintenance-free operation.


Quick Specs

Face Size24″ (600 mm) square
Inlet Sizes6″, 8″, 10″, 12″
Setpoint Range70–78 °F (factory 74 °F)
Changeover76–80 °F heating; 68–72 °F cooling return
Static Pressure0.05–0.25 in. wg
MaterialSteel, powder-coated
Warranty10 Years

Downloads

Files open in a new tab and also prompt download.

Back to Acutherm Products