Armstrong International A21191 Electrode Set R-410A offering superior accuracy and long-term

offering superior accuracy and long-term stability in air or liquid applications

Designed for longevity and repeatable performance

Designed for hot water

Built to handle a 500 PSI maximum working pressure

eliminating mounting issues

Armstrong International A21191 Electrode Set R-410A offering superior accuracy and long-termThe Armstrong International A21191 Electrode Set is a critical OEM replacement part designed for high precision water level monitoring in industrial and commercial humidification systems. This authentic water level electrode set of 3 is specifically engineered for compatibility with the Armstrong HumidiClean HC Series (including models HC 4100, 4145, 4300, and 4500) and GFH Series humidifiers. By utilizing advanced conductivity sensing technology,