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The AK49H is part of the AKH series
While designed primarily for Bray butterfly valves
Improved Efficiency: Optimized for constant torque performance to meet SEER requirements and maintain consistent duct velocity
The SPNO (Normally Open) contact energizes the fan when the coil receives 24V
Direct OEM York replacement part ensures proper resistance-to-temperature curve mapping
Dwyer Instruments L8 Switch 320819-301 The AK49H is part ofThe Dwyer Instruments L8 Flotect is a rugged, horizontal mounting liquid level switch designed for reliable point level detection in demanding HVACR and industrial environments. Featuring a leak proof polyphenylene sulfide (PPS) body and float, this unit offers exceptional chemical resistance, making it compatible with water, oils, and various organic solvents. The magnetically actuated SPDT snap switch eliminates direct mechanical linkage,