The IBC Technologies P-717 Water Pressure Sensor Replacement Kit is a critical monitoring component designed to maintain safe boiler operation. It works by continuously sensing system water pressure and sending accurate signals to the control board, allowing the boiler to operate only within proper pressure limits. This replacement kit is used in IBC high-efficiency condensing boilers... https://www.partshnc.com/p-717-ibc-technologies-water-pressure-sensor-kit