Valve fitting for filling a sanitary cistern, and sanitary cistern comprising a valve fitting of this kind

Method for extending the usage life of oil in a deep fat fryer

COMPOUND APPARATUS HAVING REDUNDANT FLOAT ACTUATED DEVICES AND SOLENOID TO CONTROL WATER LEVEL AND CHEMISTRY IN AN AQUARIUM OR SUMP

Regulating valve for the discharge of liquid

Flow control valve

Overfill prevention valve for shallow tanks

Water level indicating device for a dishwasher