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this 40VA DPDT relay center is the manufacturer-specified replacement for White-Rodgers S4A-85 and Honeywell R8285K-1004 configurations within Weil-McLain systems
Technicians should verify that the main valve port size and spring range are calibrated for use with an air-loaded pilot system to ensure stable operation
Maintains system AEO efficiency by preventing cycles during marginal airflow conditions
provided the part number matches your technical manual
Built for heavy-duty commercial HVAC maintenance
Carrier 02300 Filter 318973-401 this 40VA DPDT relay centerThe Carrier 02300 filter is a standard HVAC filtration component designed for use in Carrier air handling and packaged equipment systems where reliable particulate control is required. This HVAC replacement filter helps maintain proper airflow while capturing dust, debris, and airborne contaminants that can impact evaporator coil performance and system efficiency. Commonly used in commercial and residential Carrier units, this filter supports cleaner
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