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| FILTER
RESTRICTION 'CHANGE FILTER' INDICATOR |
PNEUMATIC
ACTUATOR |
| COMMERCIAL/CONSUMER |
Air purifiers, water
purifiers, HVAC, exhaust |
POOL, SPA, HOT TUB |
Electrically insulated
controls/push buttons |
| INDUSTRIAL |
Drying,
heating, cooling equipment, exhaust |
EDGE
DETECTION |
Auto-reverse
the motor in power doors |
| LAWN & GARDEN |
Air filters |
SPECIAL EQUIPMENT |
Sip-and-puff actuators for
the handicapped |
| OFF-ROAD
VEHICLES |
Air
filters |
|
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| AIR
FLOW - PRESENCE/ABSENCE |
HIGH/LOW
VACUUM ALARM |
| HVAC |
Positive
pressure in duct indicates air flow |
FLOOR
CARE |
Loss of
vacuum indicates 'BAG FULL' condition |
| FANS |
Positive pressure
indicates air flow |
PICK-AND-PLACE |
High vacuum indicates part
has been picked up |
| AIR JET |
Presence/absence
of material, counter |
|
|
| LIQUID
LEVEL LIMIT SWITCH |
AUTOMOTIVE |
| CHEMICAL
DISPENSERS |
Low
level - refill indicator |
RV'S AND
MOTOR HOMES |
Control
special features using manifold vacuum |
| BEVERAGE DISPENSERS |
Low level - refill
indicator |
|
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| APPLIANCE |
Water
level in dishwashers and washing machines |
|
|
| TANKS |
High level - 'TANK FULL'
indicator |
|
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| PUMP
& MOTOR CONTROL |
HIGH/LOW
PRESSURE ALARM |
| COMPRESSORS |
Motor ON at low pressure,
OFF at high pressure |
MEDICAL |
Low pressure alarm in
oxygen concentrators
• High/low alarms in assisted breathing products
• High/low alarms in sleep disorder products |
| REFILL |
Motor ON
at low level, OFF at high level |
|
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| SUMP & DRAIN |
Motor ON when liquid is
present |
|
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| BOAT
BILGE |
Motor ON
when liquid is present |
BREATH
ANALYZER |
Indicates
a sufficient breath has been submitted |
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