Armstrong Fluid Technology 8975002-374K Seal Kit Freon it is optimized for direct

it is optimized for direct gas-fired supply air and makeup air heating systems

This 30 PSI valve is strictly for hot water (hydronic) heating systems

The integration of Viton seal material (FKM) provides superior chemical resistance and thermal stability

for highly corrosive chemicals

Armstrong Fluid Technology 8975002-374K Seal Kit Freon it is optimized for directThe Armstrong Fluid Technology 8975002 374K Seal Kit is a high performance HVAC pump repair kit engineered specifically for the Armstrong Series 4300 pump. As an essential mechanical seal replacement, this kit is designed for systems utilizing a 2 1 8 inch pump shaft, providing a precise fit that prevents leaks and restores hydraulic integrity. This comprehensive commercial pump seal kit features a silicon carbide (SSC) seal face and includes the