- (a) Filters for post-10/01/99 pools and spas. Filters for post-10/01/99 pools and spas shall meet ANSI/NSF 50-1996.
- (b) Replaced filters for pre-10/01/99 pools and spas. When equipment is replaced on pre-10/01/99 pools and spas, equipment falling within the scope of ANSI/NSF 50-1996 shall meet that standard.
- (c) Filter design and operation for post-10/01/99 pools and spas. Filters for post-10/01/99 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(b) of this title (relating to Operation and Management of Post-10/01/99 and Pre-10/01/99 Pools and Spas).
- (d) Filter accessibility for post-10/01/99 pools and spas. Filters for post-10/01/99 pools and spas shall be installed so that filtration surfaces are accessible for inspection and service in accordance with manufacturer's instructions.
- (e) Filter and separation tank pressure release for post-10/01/99 pools and spas. Filters or separation tanks for post-10/01/99 pools or spas shall have both manual and automatic means of air release that provide a slow, safe release of pressure as a part of their design.
- (f) Filter and separation tank instructions for post-10/01/99 pools and spas. Filters and separation tanks for post-10/01/99 pools and spas shall have operation and maintenance instructions permanently installed on the filter or separation tank and shall include a warning statement 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 post-10/01/99 pools and spas. Filters for post-10/01/99 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. Sight glasses shall be readily removable for cleaning.
- (h) Backwashing for post-10/01/99 and pre-10/01/99 pools and spas. Filters for post-10/01/99 and pre-10/01/99 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 September 1, 2004, 29 TexReg 7704.