The Eheim Complete Battery Compartment Cover (7477528) is a genuine OEM replacement battery compartment cover designed specifically for the Eheim Quick Vac Pro automatic gravel cleaner (model 3531). < cite index="1883-1">This complete cover assembly includes the waterproof operating button</cite> — the primary on/off control for the Quick Vac Pro.

The battery compartment cover serves two critical functions: it seals the battery housing against water ingress, and it houses the waterproof operating button. < cite index="1883-1">If the battery compartment is not closing properly or the sealing ring does not fit correctly, water can enter the battery compartment</cite> — causing the unit to stop working or potentially damaging the batteries. Replacing with a genuine Eheim OEM complete cover restores full waterproof battery compartment integrity and reliable button operation.

Key Features

• Genuine Eheim replacement part: Exact OEM fit for the Eheim Quick Vac Pro (model 3531 / 3531090)
• Complete cover assembly with button: < cite index="1883-1">Includes the battery compartment cover and the waterproof operating button</cite> — a complete replacement in one part
• Waterproof battery compartment seal: Seals the battery housing against water ingress during normal aquarium gravel cleaning use
• Operating button included: The on/off button is integrated into the cover — replace the complete assembly if the button becomes unresponsive or the cover is cracked
• Replace if cracked or leaking: A damaged battery compartment cover can allow water to enter and damage the batteries or the unit's electronics
• Easy to replace: < cite index="1883-1">The opening button on the side of the compartment clicks clearly when closing</cite> — straightforward component swap
• Genuine Eheim quality: Manufactured to Eheim's standards for reliable waterproof performance

Compatibility

• Compatible with: Eheim Quick Vac Pro automatic gravel cleaner (model 3531 / 3531090)
• Not compatible with: Other Eheim gravel vacuums or maintenance equipment

Product Details

• Brand: Eheim
• Product Code: 7477528
• Type: Complete Battery Compartment Cover with Button
• Compatibility: Eheim Quick Vac Pro 3531 / 3531090
• Quantity: 1 complete cover assembly

This battery compartment cover is suitable for any aquarium keeper running an Eheim Quick Vac Pro 3531 whose battery compartment cover is cracked, broken, or no longer sealing correctly — restoring full waterproof protection and reliable button operation.