York 023-17197-000 Sight Plug 323055-751 or an increase in utility

or an increase in utility bills due to reduced efficiency

this is a dedicated water heater relief valve designed for domestic hot water storage tanks

always verify if your specific heater series requires a separate pressure switch or if the existing unit is functioning

Built for horizontal or vertical surface mounting

maintaining the integrity of the heating cycle without technical drift

York 023-17197-000 Sight Plug 323055-751 or an increase in utilityFor technicians maintaining large scale industrial refrigeration, the York 023 17197 000 Sight Plug is the standard for monitoring critical system internals. This 2 1 4" 12 UN 2A Plug Sight is engineered specifically for York centrifugal liquid chillers and screw chillers, providing a high pressure viewing window to verify refrigerant levels, oil quality, and flow conditions. As an OEM York replacement part, it ensures a factory grade seal and direct