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TITLE 25HEALTH SERVICES
PART 1DEPARTMENT OF STATE HEALTH SERVICES
CHAPTER 265GENERAL SANITATION
SUBCHAPTER LPUBLIC SWIMMING POOLS AND SPAS
RULE §265.197Heaters

(a) Installation and replacement of heaters. Pools and spas constructed on or after the effective date of this subchapter and pre-existing pools and spas replacing heaters shall comply with the following requirements.

(b) Accessible on-off switch required. Electric power to heaters shall be controlled by a readily accessible on-off switch that is an integral part of the heater, mounted on the exterior of the heater or external to and within 3 feet of the heater.

  (1) Operation of the switch shall not change the setting of the heater thermostat.

  (2) Switches shall be in addition to a circuit breaker for the power to the heater.

(c) Gas fired heaters. Gas fired heaters shall not be equipped with continuously burning ignition pilots.

(d) Heated pool and spa cover requirements. Cover requirements for outdoor heated pools and spas.

  (1) Outdoor heated pools and outdoor permanent spas shall have a vapor-retardant cover or other vapor-retardant means that is as effective as a cover.

  (2) Where more than 70 percent of the energy for heating, computed over an operating season, is from a heat pump or solar energy source, covers or other vapor-retardant means shall not be required.

(e) Heaters and hot water storage tanks. Heaters and hot water storage tanks shall be listed and labeled in accordance with Figure 25 TAC §265.197(e).

Attached Graphic

(f) Heater size. Heaters shall be sized in accordance with the manufacturer's specifications.

(g) Installation of heaters. Heaters, except solar thermal water heaters, shall be installed in accordance with the manufacturer's specifications and the International Fuel Gas Code, International Mechanical Code, International Energy Conservation Code, and NFPA 70 (NEC).

  (1) A means shall be provided to monitor water temperature.

  (2) A means to prevent public access to heater controls is required. Public access to heater controls is prohibited.

(h) Solar thermal water heaters. Solar thermal water heaters shall be installed in accordance with the International Mechanical Code. Solar thermal collectors and panels shall be listed and labeled in accordance with ICC 901/SRCC 100 or ICC 900/SRCC 300. Collectors and panels shall be permanently marked in a post-installation readily viewable location with manufacturer's name, model number, and serial number.

(i) Heater circulation system. Water flow through the heater bypass piping, back-siphonage protection, and the use of heat sinks shall be in accordance with the heater manufacturer's specifications. Where required by the manufacturer, heaters shall be installed with an automatic device that will ensure that the pump continues to run after the heater shuts off for the time period specified by the manufacturer.

(j) Special requirements for fuel-fired and electric appliances for spas. Components provided for water temperature controls shall be suitable for the intended application and shall comply with the following.

  (1) Water temperature regulating controls shall be listed and labeled as in compliance with UL-873 or UL 372. A means shall be provided to indicate the water temperature in the spa; or

  (2) Water temperature regulating controls that are integral to the heating appliance and listed in accordance with the end use appliance standard shall be considered in compliance with this subsection.

  (3) Water temperature at the heater outlets shall not exceed 140°F.

(k) Maximum spa water temperature. The maximum water temperature of a spa shall not exceed 104°F.

(l) Registration with TDLR. All pool and spa heaters with an input of 200,000 British thermal units (btu) or more shall be registered and installed in accordance with the requirements of TDLR.


Source Note: The provisions of this §265.197 adopted to be effective January 1, 2021, 45 TexReg 9529

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