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Glossary of Terms
BLEEDER VALVE - A small valve used to relieve or expel air from
the spa’s plumbing or pump.
CIRCULATION PUMP - A small pump that circulates the water in
the spa continuously.
DRY FIRING - Turning the heater element on when there is no water
in the heater.
GFCI - GROUND F AULT CIRCUIT INTERRUPTER - A type of
Circuit Breaker that automatically disconnects power to the spa when
there is an electrical power leakage to ground.
HALOGENS - Free chlorine, bromine or iodine ions that are very
strong oxidizers used to sanitize water.
ICON PAD - This is a button accessed by pressing the Dimension One
Spas Logo on the far right of the Upper Control Panel.
LOAD SHARING - When the circuit breaker size is smaller than the
total power needed to operate both the heater & the jet pump at the
same time, load sharing automatically turns off the heater when a jet
pump is turned onto high speed.
OZONE GENERATOR - A specialized ultraviolet light that changes
oxygen into ozone for use in the water sanitation process.
PUMP UNION - A removable fitting that connects the pump to the
spa’s plumbing.
SELECTOR VALVE - Located on the top edge of the spa, it diverts jet
power from one area of the spa to another.
SUCTION FITTING - Fitting located in the footwell of the spa
where water is pulled from the spa to the jet pump.
VENTURI - A device used to inject air into the water.
VISION CARTRIDGE - A safe, halogen free alternative water sanitiz-
er that can be used in place of chlorine or bromine.
WEIR SKIMMER - A floating water referencing device that skims
debris from the surface of the water.
GLOSSARY OF TERMS