1. (a) Controlled limited use spas as defined in 20 CAR § 136-102 shall meet all the applicable requirements of this part with the following variances:

   1. (1)

      1. (A) A minimum of fifty square feet (50 sq. ft.) of NSF-approved cartridge filter for units five hundred gallons (500 gals.) or less.
      2. (B) The filtration may be located below the skimmer unit or within an equipment system.
      3. (C) Larger units shall be evaluated on a case-by-case basis;

   2. (2)

      1. (A) An NSF-approved continuous disinfection (chlorine or bromine) unit shall be required.
      2. (B) Other similar dispensing devices maybe approved on a case-by-case basis.
      3. (C) Location of facility, patron use, and supervision shall be considered when determining equipment need.
      4. (D) The unit shall be sized in accordance with 20 CAR § 136-111(e);
   3. (3) One (1) skimmer with weir and a minimum of two-side/bottom suction fittings with antientrapment covers shall be provided per pump;

   4. (4)

      1. (A) An alternate disinfection unit (i.e., ozonator, UV, etc.) is recommended and only in conjunction with an approved primary disinfection unit.
      2. (B) If installed it shall be installed per manufacturers’ requirements; and
   5. (5) All safety and signage requirements for spas shall be met.
2. (b) Note. The recirculation/filtration/disinfection system shall operate twenty-four (24) hours continuously.

Codification Notes: "UV" means ultraviolet.