Armstrong Fluid Technology 182212-841 Pump 340793-762 This pulley is engineered for

This pulley is engineered for standard shaft sizes used in mid-to-large scale Carrier air handlers

while optimized for unit ventilators

the stainless steel "S" series with Buna-N seals is required to ensure chemical compatibility

While a faulty defrost thermostat is a primary cause

Can the actuator be replaced while the system is under pressure

Armstrong Fluid Technology 182212-841 Pump 340793-762 This pulley is engineered forThe 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