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Optional Built-In Pre Heater (PH Models)
Zehnder P/N 990 320 573
Power supply
Acoustic alarm sounds when limit values are exceeded
and low noise whilst maintaining high energy efficiency
Titon G3 filters for use with HRV1.6 and 1.65 Q Plus. low voltage Optional Built-In Pre Heater (PHFilters 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
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