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Boiler System Components
These are components often used in a boiler system such as pressure relief valves, expansion tanks, backflow preventors, replacement circulator pumps and more.
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  • An aquastat is a device used in hydronic heating systems for controlling water temperature.
Boiler System Accessories Composite

Boiler System Accessories

  • These are common components used in boiler systems such as pressure relief valves, expansion tanks, backflow preventors, replacement circulator pumps, zone controls and more.
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Expansion Tanks

  • An expansion tank is a required component for all hot water boiler systems (not used for steam boilers). It controls system pressures and reduces energy consumption. Not sure what size expansion tank is right for you? Let our easy to use Expansion Tank Selection Tool help you find the right tank for your hot water boiler system!
Hydronic Zone Controls Composite

Hydronic Zone Controls

  • A hydronic zone system is an optional upgrade accomplished by adding accessories to a standard boiler heating system. A zone controlled system allows the users to operate and regulate the heat in the home on a room-by-room or area-by-area basis. A zone control system consists of:

    • control panel
    • one or more circulating pumps
    • zone valves (optional on some setups)
    • a thermostat for each zone.

Boiler LP (Propane) Conversion Kits

  • These kits allow you to easily convert your new Crown boiler to operate on propane (LP) instead of natural gas.
Crown BWC Horizontal Terminal

Crown BWC Series Venting Components

  •  These concentric vent pieces can be used to vent a Crown BWC Series boiler.
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