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vacuum rating ensures the furnace only initiates ignition when proper draft is established
it ensures precise mechanical alignment
Designed specifically for compatibility with Carrier air conditioning units and refrigeration systems
Smith 100165859 without bracket modifications
For contractors managing refrigeration system maintenance
Armstrong International A8581 Humidistat Refrigerant vacuum rating ensures the furnaceThe Armstrong International A8581 Humidistat (also known as the A 8581) is a high performance on off high limit duct humidistat designed for precise safety and control in industrial and commercial HVACR applications. Engineered as a duct mounted high limit stat, this unit is specifically recommended to prevent localized saturation and downstream condensation within air handling systems. It serves as a critical safety component, typically set at 85% RH
US$ 120.00
US$ 195.00
US$ 145.00