Sigma automatic rainwater unit

Sigma Automatic Rainwater Unit

The Sigma automatic rainwater unit from Germany’s leading rainwater specialist is the only WRAS-approved unit of its kind. Perfect for both new-build and retro-fit installations.

The unit comprises a powerful self-priming suction pump, ultra-low energy controller, pressure gauge and 9L mains water cistern with approved mains water backup, all mounted on a sturdy stainless steel frame beneath an aesthetically pleasing cover. Complete with float switch with 15m cable.

Unit dimensions 500mm W x 510mm H x 315mm D

Available in two versions with either 3 bar or 4 bar pump

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Description

Full automatic rainwater unit for supplying a family home or small commercial premises with rainwater.

The unit draws rainwater from a storage tank and feeds it under pressure into the rainwater supply circuit. The unit controls the entire rainwater supply system, checks the fill level of the storage tank and automatically switches over to mains water operation when required. Supplied ready to connect. Complies with UK Water Regulations, DIN 1989 and DIN EN 1717