alias

CategoryPageCategoriesQuery

CategoryList_categories

CategoryBar_categories

Categories_categories

productCategoryTree

uuid

depth

name

description

faq_items

parent

L1PageCategory_category

L2PageCategory_category

onlyValid

productCategoryTreeAll

children

image_url

additional_html

query CategoryPageCategoriesQuery(
  $alias: String!
) {
  ...CategoryList_categories
  ...CategoryBar_categories
  ...Categories_categories
  productCategoryTree(alias: $alias) {
    uuid
    depth
    name
    description
    alias
    faq_items {
      question
      answer
    }
    parent {
      name
    }
    ...L1PageCategory_category
    ...L2PageCategory_category
  }
}

fragment Categories_categories on Query {
  productCategoryTreeAll(onlyValid: true) {
    alias
    name
    children {
      alias
      name
      children {
        alias
        name
        children {
          alias
          name
          children {
            alias
            name
            children {
              alias
              name
              children {
                alias
                name
              }
            }
          }
        }
      }
    }
  }
}

fragment CategoryBar_categories on Query {
  productCategoryTreeAll(onlyValid: true) {
    alias
    name
  }
}

fragment CategoryBox_category on ProductCategoryTree {
  name
  alias
  uuid
  image_url
  children {
    uuid
    alias
    name
  }
}

fragment CategoryGrid_categories on ProductCategoryTree {
  children {
    uuid
    ...CategoryBox_category
  }
}

fragment CategoryList_categories on Query {
  productCategoryTreeAll(onlyValid: true) {
    alias
    name
    uuid
  }
}

fragment CategoryList_category on ProductCategoryTree {
  alias
}

fragment HeroCategoryPageHero_category on ProductCategoryTree {
  name
  image_url
  description
}

fragment L1PageCategory_category on ProductCategoryTree {
  name
  description
  alias
  image_url
  ...HeroCategoryPageHero_category
  ...CategoryGrid_categories
  ...CategoryList_category
}

fragment L2PageCategory_category on ProductCategoryTree {
  uuid
  name
  alias
  meta
  additional_html
  description
  image_url
  ...HeroCategoryPageHero_category
  ...CategoryGrid_categories
  children {
    uuid
  }
  faq_items {
    question
    answer
  }
  parent {
    alias
    name
    parent {
      alias
      name
      parent {
        alias
        name
        parent {
          alias
          name
          parent {
            alias
            name
            parent {
              alias
              name
              parent {
                alias
                name
              }
            }
          }
        }
      }
    }
  }
}


FloPlast Grey Solvent weld Air admittance valve, (Dia)110mm

FloPlast+Grey+Solvent+weld+Air+admittance+valve%2C+%28Dia%29110mm

FloPlast Black Solvent weld Air admittance valve, (Dia)110mm

FloPlast+Black+Solvent+weld+Air+admittance+valve%2C+%28Dia%29110mm

FloPlast Black Push-fit Air admittance valve, (Dia)110mm

FloPlast+Black+Push-fit+Air+admittance+valve%2C+%28Dia%29110mm

Air admittance valves, a crucial component within the realm of plumbing systems, offer a modern solution for ventilating the drainage system without the need for traditional pipe venting through the roof. These ingenious devices allow for the intake of air to prevent a vacuum in the plumbing system, which in turn facilitates the flow of water and waste through the drain pipes with ease. As such, air admittance valves play a pivotal role in maintaining the efficiency and effectiveness of the waste disposal system in a building.


 Traditionally, the method to prevent negative pressure in plumbing systems involved the installation of vent pipes that extended to the roof, allowing air to enter the system naturally. However, this traditional approach often led to complex pipe layouts and costly installation, especially in renovations or in buildings where running a vent pipe to the roof was not feasible. This is where air admittance valves shine as an alternative, offering a cost-effective, simple, and efficient solution. They are designed to open under negative pressure, allowing air to enter the plumbing system, and then to close, preventing the escape of sewer gases into the building.


 Moreover, the installation of air admittance valves contributes to a more aesthetic building design, eliminating the need for unsightly pipework protruding through the roof. They are also favoured for their contribution to the energy efficiency of a building, reducing the amount of heat loss associated with traditional vent pipes.


 In environments where space is at a premium, air admittance valves prove to be an invaluable asset, allowing for more compact plumbing designs without sacrificing functionality or compliance with building codes. Whether it's a new construction project or a retrofit in a historic building, air admittance valves offer a versatile and reliable solution that meets the needs of modern plumbing systems. Their adoption underscores a commitment to innovative, practical, and aesthetically pleasing building practices.

Air Admittance Valves

Soil Waste Systems And Underground Drainage

Guttering And Drainage

Plumbing

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Basins and Pedestals

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Extractor Fans

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