Davey SB25-20 Bronze Casing Circulator Pump


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    Davey SB25-20 Bronze Casing Circulator Pumps including union sets with gaskets 

    Davey circulator pumps are ideal for domestic heating applications, secondary hot water services, air conditioning and cooling systems. The advanced multi-speed, shaft-motor can provides a long and reliable operating life.


    • In-line pump casing with threaded ports for easy installation and direct mounting on pipe work.
    • Barrel unions with threaded ports for easy installation & service.
    • Rotating parts in contact with pumped liquid, made of corrosion resistant materials, to provide maintenance free and long service life.
    • Stainless steel impeller neck ring for long life & maintenance free operation.
    • Three speed with manual selector switch, adaptable to suit installations.
    • Wet rotor bearings lubricated by pumped liquid providing quiet, vibration free operation.
    • Rotor chamber protected from impurities by sintered bronze filter.
    • Manual bleed when started up.
    • Reliable, maintenance free operation.
    • High capacity built-in capacitor for high starting torque.
    • Direct connection via unions to pipe work from 3/4” to 1 1/4” .
    • Low electrical consumption.
    • Integrated & automatic motor overload protection.


    • For houses, motels and small apartment buildings
    • Solar heating circuits
    • The water runs hot as soon as the tap is opened

    Operating Limits:

    • Capacities up to – 165LT.min
    • Heads up to – 7m
    • Max Kpa – 1000 Kpa
    • Temperature – -20° to 120°C
    • Max Ambient Temp –  40°C
    • Port ND – 20 – 32mm
    • Speed – See Table
    • Power Supply – 1 x 230V
    • Frequency – 50Hz
    • Insulation class – F (155°C)
    • Protectino – IP44
    Weight 3 kg
    Dimensions 24 × 19 × 17 cm



    Davey offers a range of water related services from water transfer, conservation, treatment and filtration; to help ensure your products are built to last. You can Depend on Davey, every time. Water is our world. For 85 years so far, Davey has been manufacturing products that help protect and enhance people’s lives. Whether you need perfect pressure, healthy drinking water, protection from fire and flood, a clean, relaxing pool or spa, or water to run your farm or business, you can depend on Davey for the right solution.
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