Ceiling Saver is a long term cost saving device that fits over the vacuum breakers of an electric geyser. Vacuum breakers are known to fail, resulting in flooding of ceilings and damages within a home. By using a Ceiling Saver the water is diverted to the outside of a home via an overflow flow pipe preventing flood damage to the interior of a home. Its recommended to install a Ceiling Saver over both the inflow and outflow vacuum breakers on your geyser. The product is warranted for 2 years from date of purchase against manufacturer's defects.