This standard applies to newly produced pool heaters for heating non-potable water stored at atmospheric pressure, such as water in swimming pools, spas, hot tubs and similar applications; for use with natural gas, manufactured gas, mixed gas, liquefied petroleum gases and LP gas-air mixtures. This standard also applies to pool heaters intended for installation at a distance less than 5 feet (1.52 m) from the inside surface of a pool or spa, also known as a close proximity heater. This standard also app lies to pool heaters for indoor installation with draft hoods which are factory equipped with automatic vent damper devices. This standard also applies to pool heaters of other than the direct ve nt type which are factory equipped with electrically operated or mechanically actuated automatic flue damper devices.
Product Details
Published: 11/01/2000 Number of Pages: 11 File Size: 1 file , 1.8 MB
M00068339
2021-02-18
New product
CSA 4.7A-M00
Addenda 1 to ANSI Z21.56-1998/CSA 4.7-M98, Gas-Fired Pool Heaters