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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Industry-standard 1/4" terminals allow for immediate integration without rewiring
3-inch frame and an open air-over enclosure
and safety limit circuits
Corrosion Resistance: Built with high-durability materials to withstand the continuous demands of HVAC cooling equipment and secondary loop systems
Aprilaire 4655 Humidifier Control 328140-751 Industry-standard 1/4" terminals allow forThe Aprilaire 4655 Humidifier Control is a reliable, manual humidistat designed to provide precise low voltage 24V management for your central heating and cooling system. This essential HVAC humidity sensor utilizes a highly sensitive mechanical nylon ribbon filament that expands and contracts based on moisture levels, ensuring your whole house humidifier operates only when necessary. By manually adjusting the relative humidity (RH) setpointtypically
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