- (a) Filters for new pools and spas. Filters for new pools and spas shall meet ANSI/NSFI Standard-50-1996.
- (b) Replaced filters for existing pools and spas. When equipment is replaced on existing pools and spas, that equipment falling within the scope of ANSI/NSFI Standard-50-1996 shall meet this standard.
- (c) Filter design and operation for new pools and spas. Filters for new pools and spas shall be designed so that after cleaning according to the manufacturer's instructions the system provides the water clarity noted in §265.203(c) of this title (relating to Operation and Management) (Water clarity standards for new and existing pools and spas).
- (d) Filter accessibility for new pools and spas. Filters for new pools and spas shall be installed so that filtration surfaces are accessible for inspection and service as per manufacturer's specifications.
- (e) Filter and separation tank pressure release for new pools and spas. Any filter or separation tank for a new pool or spa shall have both manual and automatic means of air release which provide a slow and safe release of pressure as a part of its design.
- (f) Filter and separation tank instructions for new pools and spas. Pressure filters and any separation tank for new pools and spas shall have operation and maintenance instructions permanently installed on the filter or separation tank and shall include a precautionary statement warning not to start up the system after maintenance without first opening the air release and properly reassembling the filter and separation tank. The statement shall be readily visible from the area of the air release and the start-up controls.
- (g) Observable waste discharge for new pools and spas. Pressure filters for new pools and spas shall be provided with a readily observable free fall or sight glass installed on the waste discharge line in order that the filter washing progress may be observed. Where sight glasses are used, they shall be readily removable for cleaning.
- (h) Backwashing for new pools and spas. Filters for new pools and spas shall be backwashed and maintained according to manufacturer's instructions.
Source Note:The provisions of this §265.188 adopted to be effective June 17, 1999, 24 TexReg 4365.