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With a compact 3
The electrical contacts are non-polarized
ensuring reliable communication with building automation systems and Daikin-McQuay OEM controllers
It is direct-fit compatible with specific models
ensuring total circuit interruption for safety and maintenance
Hydrotherm 60-4280 Sight Glass 318973-401 With a compact 3The Hydrotherm 60 4280 Sight Glass is a heavy duty boiler gauge glass assembly designed for critical fluid monitoring in steam and hydronic heating systems. Engineered with borosilicate glass, this component provides high thermal shock resistance and structural integrity under significant operating pressures. As a direct OEM replacement part, it ensures precise water level visibility, which is essential for preventing dry firing and maintaining safe
