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The Zehnder ComfoTube Flow 75mm is a high performance semi-rigid ductwork ideal for residential applications
Upgrade Basic to LUXE set for Zehnder ComfoAir 550
• Dual clutch design
On-Board and Off-Board Control Options (please refer to controls product page for more information)
So if you have a R90T then this fan is its direct replacement and it will fit in the same space as your existing product and ducting
Titon HRV4.25 Q Plus Eco HMB Left/Right Handed 990 323 620 The Zehnder ComfoTube Flow 75mmHRV4. 25 Q Plus Mechanical Ventilation with Heat Recovery unit (MVHR) HRV4. 25 Q Plus: a powerful yet compact, continuously running whole house ventilation unit with heat recovery. It is suitable for larger dwellings and has been independently tested by the BRE. The HRV4. 25 Q Plus delivers cutting edge performance usually only associated with much larger and more expensive products. The combination of very low power consumption and a highly efficient
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