JBL PROAIR a51
Archived
Item no. 6054600
Product features
- For a reliable oxygen supply in aquariums: ready-to-install diaphragm pump with check valve and air stone - 50 l/h air outlet, > 160 mbar head pressure, 2.3 W power consumption
- Easy to install: connect pump with air hose and air stone, mount pump outside aquarium, place air stone in the aquarium
- Noise suppression air chamber, reinforced housing wall, vibration dampening rubber feet
- With a device for hanging, GS tested, 2.3 W and 50 l/h air output, > 160 mbar air pressure
- Package contents: air pump for aquariums from 10 - 50 l, 2 m air hose, air stone and check valve to prevent water backflow
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Why is my air pump making loud humming noises?
Even under optimal conditions, the operating noise will be audible in quiet rooms. Every air pump generates vibration and humming noises that are more or less clearly audible. To reduce vibration transmission to the surface, JBL PROSILENT diaphragm pumps have rubber feet. On smooth surfaces, the air pump can "wander" and should be secured with a soft, non-slip mat. Mounting on the wall ensures complete decoupling. Please note that the volume can be very loud when the hoses are not connected, similar to a modified car exhaust. The "silencer" is missing. These noises are significantly reduced when counterpressure is present. Reducing the flow rate on one of the air volume regulators significantly reduces the noise level. Therefore, never operate the JBL PROSILENT model(s) with two air connections with only one air connection in "idle mode," i.e., without a hose connected to an air diffuser or similar device! This will lead to premature membrane wear and increased noise levels
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