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Ensure the system is thoroughly evacuated and the filter drier is replaced during installation
the RS-1-BR-1 series is required
a stainless steel version is required
While a faulty defrost thermostat is a primary cause
Heavy-Duty DPDT Contacts: Rated for 5A at 240V AC
Armstrong Fluid Technology 182212-841 Pump 340793-762 Ensure the system is thoroughlyThe Armstrong Fluid Technology 182212 841 is a high performance Cast Iron Maintenance Free High Efficiency Circulator Pump (Model E12. 2) engineered for demand heavy hydronic heating systems. As a direct replacement for 180210 841, this unit offers a seamless upgrade path with its compact design and universal flange compatibility, fitting 3 4", 1", 1 1 4", or 1 1 2" connections. Powered by a 2 5HP single phase motor operating at 3300 RPM on 120Vac, it