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Versatile in all temperature-relevant applications: Compatible with all Testo and standard type K thermocouple probes
100% full and filtered modulating summer bypass
Detectable
With LED light
Titon G3 filters for use with HRV1.6 and 1.65 Q Plus. 150 - 199m² Versatile in all temperature-relevant applications:Filters should be replaced at least annually, or more regularly dependent on environmental conditions. Titon HRV Q Plus filters are available in two grades G3 and G4. Your HRV Q Plus unit comes with G3 filters as standard (HRV10 Q Plus units have G4 filters as standard). G4 filters are a slightly higher grade of filter, but add extra resistance, which in turn may make the unit run at an increased level generating slightly more noise and power