depot pull
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Direct Replacement: Replaces deprecated part number 9004520215
making it a staple for line-voltage control in harsh conditions
the neoprene diaphragm may be perforated or hardened and requires immediate replacement
It is designed to fit the standard Carrier OEM mounting hardware found in compatible 48HJD series units
allowing for either normally open or normally closed operation to cycle the compressor or solenoid based on ice bank formation
Lochinvar & A.O. Smith 100111584 Pump Circulator 321142-301 Direct Replacement: Replaces deprecated partThe Lochinvar & A. O. Smith 100111584 Pump Circulator is a critical OEM replacement part designed for high efficiency hydronic heating and domestic hot water systems. Built to withstand the rigorous demands of commercial and residential boilers, this high head circulator pump ensures consistent fluid velocity and thermal distribution across the heat exchanger. It serves as a direct replacement for legacy part numbers such as Lochinvar ARM2801 and A.