Hamworthy Heating

Burstock expansion vessel for boilers

  • Floor standing pressure expansion vessels for use with sealed heating and hot water systems.
  • 10 models available of 25, 60, 80, 100, 200, 300, 400, 500, 800 and 1000 litre capacity.
  • Hamworthy Web Icons JBs base set BLUE-20
67de98fb7baf-Burstock-expansion-vessel-web

Product information

  • Designed to work with pressurisation units to ensure system design pressures are maintained

  • Maximum working pressure 10 bar

  • Nitrogen pre-charge results in less permeation through the diaphragm extending the time between pressure top ups

  • Flexibility in use with a maximum operating temperature of 70°C

  • Wide choice of heating expansion vessels available to match your system requirements

  • All models WRAS approved to demonstrate compliance with regulations

  • Accommodates system water due to expansion in sealed heating and hot water circuits

  • Buy in confidence from a UK manufacturer with decades of commercial heating and hot water expertise.

Ideal uses/applications

  • New build.

  • Refurbishment.

  • Sealed heating and hot water systems.

Optional extras

  • There are no optional extras for this product.

  • Burstock expansion vessel

    PV25W**

    PV60W

    PV80W

    PV100W

    PV200W

    PV300W

    PV400W

    PV500W

    PV800W

    PV1000W

    Capacity (litres)

    25

    60

    80

    100

    200

    300

    400

    500

    800

    10000

    Connection size

    G 3/4 "

    G 1 "

    G 1 "

    G 1 "

    G 1 1/4 "

    G 1 1/4 "

    G 1 1/4 "

    G 1 1/4 "

    G 1 1/2 "

    G 1 1/2 "

    Max pressure (bar)

    10

    10

    10

    10

    10

    10

    10

    10

    10

    10

    Shipping weight (kg)

    5

    14

    16

    19

    40

    54

    70

    79

    195

    228

    Pre-charge pressure (bar) for use in:

    Heating

    1.7

    1.7

    1.7

    1.7

    1.7

    1.7

    1.7

    1.7

    1.7

    1.7

    DHW

    3.5

    3.5

    3.5

    3.5

    *

    *

    *

    *

    *

    *

    *3.5 bar pre-charge available on request.

    **Wall bracket kit variant available.

Relevant customer case studies

Nottingham University

Nottingham University

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Christchurch Police Station

Christchurch Police Station

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Walton Community Hospital, Surrey

Walton Community Hospital, Surrey

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Partnerships

CIBSE Patron WhiteSoPHE Logo
BESA logo
ICOM

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