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Swimming Pool Equipment, Spas, Fountains and Hydromassage Bathtubs Marking and Application Guide
UL and the UL logo are trademarks of UL LLC © 2012
15
Swimming Pool Equipment, Spas,
Fountains and Hydromassage Bathtubs
Marking and Application Guide
3.3. PUMPS
Listing Mark. Pumps suitable for this application have a Listing Mark with the product name
―Swimming Pool Pump‖ or ―Swimming Pool Pump or Spa Pump.‖
Storable Pools Only. The type of pump suitable for use with storable pools has a 25-foot
flexible cord and attachment plug. It is marked:
―This Pump is for Use with Storable Pools Only — Do Not Use with Permanently Installed
Pools. A storable pool is constructed so that it may be readily disassembled for storage and
reassembled to its original integrity. A permanently installed pool is constructed in or on the
ground or in a building such that it cannot be readily disassembled for storage.
Field Installation:
Double Insulation. Pumps with a minimum 25-foot supply cord are double insulated and
have inaccessible metal parts grounded with the equipment-grounding conductor terminated
at the attachment plug. These pumps do not have a bonding connector. They are not
intended to be connected to an equipotential bonding grid.
Ground-Fault Protection. Pumps for storable swimming pools are provided with a factory
installed Class A ground-fault circuit-interrupter. It is an integral part of the attachment plug
or in the supply cord within 12 inches of the attachment plug.
3.4. WATER TREATMENT EQUIPMENT
General. UL Listed chlorinators or brominators, as well as Listed or Classified ozone
generators, may be used with this equipment. Their limitations are specified in the section
titled ―PERMANENTLY INSTALLED SWIMMING POOLS.‖
4. FIELD CONSTRUCTED SPAS
4.1. GENERAL
This section covers field constructed spas or hot tubs in which separately Listed equipment
is plumbed and wired in the field. This equipment includes heaters, blowers, pumps,
controls, water treatment equipment, luminaires, heat pumps, transformers and suction
fittings. Each is intended to be installed in accordance with the National Electrical Code®,
NFPA 70, and model building, plumbing, mechanical, fuel gas codes, manufacture’s
instructions, and with provisions detailed in the section following.
A group of the above components may be pre-packaged in a Listed equipment assembly.
These assemblies are designed for installation with a field-supplied tub.
4.2. BLOWERS
General. UL Listed blowers are intended for both indoor and outdoor use, unless marked
otherwise. Unless otherwise indicated in the installation instructions, blowers should be
mounted at least 12 inches above the over flow of a spa or hot tub.
4.3. CONTROLLERS
These are identical to and should be used with the same limitations as those previously
specified under ―PERMANENTLY INSTALLED SWIMMING POOLS.‖