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4" Pond Bottom Drain

This bottom drain has a 4" pipe connector which has is to be used with a gravity fed filter system.

Regular price
£21.95
Sale price
£21.95
In Stock (More than 10)
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Product Description

A bottom drain is used on a pond which has a gravity fed filter system. Water and pond waste leave the pond via the bottom drain, travel along a length of pipe, and into the pond’s filter. Bottom drains are located on the pond floor, and should be positioned in the deeper areas of the pond.Bottom drains consist of; a sump, which is set into the pond’s base and is attached to the pipe-work, and a dome, or cap, which covers the sump.

The sump is supplied with a flange ring, which can be screwed to its top lip. If the pond is liner-based, the liner should be sandwiched between the flange ring and the sump lip, and adhered with a suitable sealant, creating a water-tight seal. If the pond is concrete the flange ring is not required. The top of the sump should be set level with the pond’s final rendered layer.A gap of usually around 2 to 5cm is set between the top of the sump and the dome, and should stop smaller pond fish from entering the filter system.

As the pipe-work used in the construction of a gravity fed filter runs under the pond and is usually set in concrete, bottom drains should be considered at the outset of pond planning, and installed as the pond is constructed.Bottom drain set ups are a much more efficient than having a pump situated in the pond, pushing water to a filter. Bottom drains can handle larger solids than most types of pond pumps, and are far less likely to block or become hampered by debris.

A pond can be built with multiple bottom drains along the floor, leaving no areas in the pond for sludge to accumulate. Also, a submerged pond pump requires hose connecting to the filter, and a power cable, both of which have to be concealed to improve the pond’s aesthetics.

To obtain a maximum flow-rate and reduce the build up of debris in the pipe-work connecting the bottom drain to the filter, the pipes should run as directly as possible, and any bends should have a large curved radius, as apposed to a sharp 90° elbow. It is recommended that the pipe-work between the bottom drain and the filter should be Solvent Weld Pressure pipe.

Finance

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

Delivery & Returns

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us (stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.

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