Hayward 1 4" MPT Bottom Mount Pressure Gauge [0 60psi] (ECX270861) intermatic A part like this is A part like this is useful because it restores the water moving component of the pump while preserving the higher head performance profile intended by the original assembly a correctly matched heater is often the most important step in getting the system back to normal The Hayward bottom mount pressure gauge is designed for compatible filter and circulation applications where system pressure needs to be monitored The ECX270861 is a practical service part when a compatible Hayward system needs a gauge to restore dependable pressure visibility