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    2. Installation of an Inground Spa

    Installation of an Inground Spa

    Support – In grounds

    Installation of a plumbed shell (in-ground spa) requires excavating, then connection of equipment to shell. Endless®
    Pools & Spas does offer supply and installation for in-ground spas or clients can appoint a qualified builder to project
    manage the total installation including decking, tiling landscaping and fencing.

    Inground Installation with Equipment Remote

    Freestanding Installation on Steel Frame

    Spa Supported by Decking

    Spa Supported by Decking

    Equipment Placement
    • Sufficient area should be reserved for the equipment.
    • Usually arranged by the customer.
    • A regular installation requires an area 2.3m x 1m.
    • The surface must be stable, eg concrete slab or pavers, and have suitable drainage to ensure water does not pool around equipment.
    • The equipment should be installed within the required distances from the spa / pool to ensure optimum performance. (Typically up to 6 metres)
    • Allow space for servicing.




    Picture depicts wall mounted installation of gas heater, controller and salt chlorinator. The power is supplied directly from the switch board into the controller – no power points.

    Additional Information

    • *Most control boxes have an IPX3 rating enabling it to be installed outside, however, it must be installed outside the spa/ pool zone.  This pool zone extends 3.5m from the edge of the spa / pool.
    • 40 amps direct wire supply is required for an eight channel control box
    • Air switches require individual power points

    Electrical Connections

    Depending on equipment provided, an electrician is required to install a controller system and supply sufficient power.

    Control systems typically include either air switches or a radio remote control box.*

    Amperage required for Spa Pools is typically between 25- 40 amps; Swim Spas may require an additional 30 amps. (Depends on model chosen)


    Typical Isolation Switch

    Gas Connections

    Gas heaters must be installed on a non-combustible surface. There are special requirements for indoor installations. A new gas line is usually required and is pressured to suit typically between 120 Mj – 175 Mj