The Fisher 14540 Pressure Vacuum Breaker is a highly reliable and efficient plumbing component designed for optimal performance in various water systems. With a 1/2″ female inlet and outlet, this wall-mounted device is engineered to prevent the backflow of contaminated water into clean water supplies, making it indispensable for safeguarding potable water systems. Its anti-spill functionality ensures that the system operates smoothly without leaks, providing peace of mind in both residential and commercial settings. The Fisher 14540 is particularly valuable in irrigation and sprinkler systems, where maintaining the integrity of the water supply is crucial. Its compact design allows for easy installation on a variety of surfaces, contributing to its versatility across different projects. This pressure vacuum breaker meets the stringent standards required in the plumbing industry, making it a trusted choice for contractors and builders. Its robust construction promises durability and long-term use, ensuring that it can withstand the demands of constant water pressure. With its specific technical features and thoughtful design, the Fisher 14540 Pressure Vacuum Breaker is a critical component for any project that demands reliable backflow prevention and water safety.