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.
IPV is made of polio virus which is inactivated. It does not contain thiomersal and doesnât cause vaccine associated paralytic poliomyelitis (VAPP). It is one of the safest routinely used vaccines. Some countries like Denmark use sequential schedules of IPV and OPV: 1-2 doses of IPV followed by 2 or more doses of OPV.