Pump Vault Extension for Deeper Reservoir Installations The EasyPro JAFVE Extension Tube adds 18" (46 cm) of height to the JAFL Medium and JAFV Large pump vaults, allowing the pump lid to remain accessible when the reservoir gravel depth exceeds the standard vault height. Without an extension, a deep gravel fill can bury the vault lid and make pump access difficult. Maintain Easy Pump Access in Deep Reservoirs The extension tube stacks directly onto the top of the compatible vault and raises the access lid to just below or at the surface of the gravel fill. This is especially useful when using larger decorative stone or when design requirements call for a deeper reservoir. Multiple extensions can be stacked if needed. Compatible with JAFL Medium and JAFV Large pump vaults. Specification Value Compatible Vaults JAFL / JAFV Pump Vaults Extension Length 18" (46 cm) Installation Stack on top of vault before adding gravel How to Install Place the extension tube on top of the pump vault before filling the reservoir with gravel. Make sure the pump discharge hose routes cleanly through or alongside the extension. Fill gravel around the outside until the lid is at the desired depth. No adhesive or fasteners required. Ideal for pondless waterfall installations with deep reservoirs or oversized decorative stone fill where standard vault height is insufficient.
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