Olsen OLSSC-075, Installation, Operation & Maintenance Manual

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15 - GLOSSARY
QUALIFIED AGENCY • - Any individual, fi rm, corporation, or
company engaged in and responsible for:
Installation, testing, or replacement of gas piping, •
or connection, installation, testing, repair or
servicing of appliances and equipment.
Experienced in such work. •
Familiar with all precautions required. •
Complies with all requirements of authority having •
jurisdiction.
SAFETY RELIEF VALVE • - Valve designed to relieve
pressure in hot water supply system when pressure
exceeds pressure capability of equipment.
SAFETY SHUTOFF DEVICE • - Device that will shut off gas
supply to controlled burner in event source of ignition
fails.
SEDIMENT TRAP • - Gas piping arrangement designed to
collect any liquid or solid contaminant before reaching
gas valve.
VENT • - Passageway used to convey fl ue gases from
appliance vent connector to outdoors.
VENTING SYSTEM • - Continuous open passageway from
of appliance vent connector to outdoors for purpose of
removing fl ue or vent gases.