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This MacValve-3 self-closing waste valve can be fitted in a horizontal or vertical position. The MacValve membrane opens under water pressure to allow discharge to flow freely and then closes to form a seal to prevent foul odour or sewer gas from entering your building. This ...Read More
This MacValve-3 self-closing waste valve can be fitted in a horizontal or vertical position. The MacValve membrane opens under water pressure to allow discharge to flow freely and then closes to form a seal to prevent foul odour or sewer gas from entering your building. This MacValve can be fitted in installations where a non-return can be of benefit to your plumbing installation and can be used to take the discharge from a pressure relief valve on an unvented domestic hot water storage system. Because this MacValve has no water seal, it can never dry out through evaporation or lack of use of an appliance as the membrane remains sealed.
This MacValve can be fitted in installations where a non-return can be of benefit to your plumbing installation and can be used to take the discharge from a pressure relief valve on an unvented domestic hot water storage system. Because this MacValve has no water seal, it can never dry out through evaporation or lack of use of an appliance as the membrane remains sealed.
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