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Check the fluid temperature limits for your specific configuration
ÇÖs internal logic and flame signal strength
This gasket is the designated OEM replacement for the 400
4mm) nib length
Armstrong Fluid Technology 89975001-81701K Seal Kit 328140-751 Check the fluid temperature limitsThe Armstrong Fluid Technology 89975001 81701K Seal Kit is a critical mechanical seal replacement designed for high performance HVAC centrifugal pumps. Engineered for precision and durability, this EPDM seal kit ensures a leak proof interface within your hydronic heating and cooling systems, maintaining optimal pressure and fluid containment. This specific kit serves as the direct replacement for 89975091 81701K, offering seamless backward