1. Unhook chain at the flapper end: 2. Adjust the flapper chain according to the length of your old flapper chain: Please click here for detailed instructions on how to adjust the flapper chain. 3. Adjust float to the location it was on the previous flapper by removing the black disks: 4. Adjust float higher on the chain:
Variable air volume. Variable Air Volume (VAV) is a type of heating, ventilating, and/or air-conditioning (HVAC) system. Unlike constant air volume (CAV) systems, which supply a constant airflow at a variable temperature, VAV systems vary the airflow at a constant temperature.
Pharmacovigilance (PV or PhV), also known as drug safety, is the pharmacological science relating to the collection, detection, assessment, monitoring, and prevention of adverse effects with pharmaceutical products. The etymological roots for the word pharmacovigilance are: pharmakon (Greek for drug) and vigilare (Latin for to keep watch).