US Seal Shaft Seal [PS-3870 3/4" Viton] (PS-3870) starkfiltration Helps restore dependable system filtration

Helps restore dependable system filtration

Designed for compatible 406A and 407A heaters

The 1 inch nozzle and 3/8 inch air barb help define the intended plumbing and air relationship of the assembly

This type of part is especially useful during reel repair or refurbishment when a damaged or weakened base component is affecting usability

serviceable platform customers often prefer when replacing an existing spa pump

US Seal Shaft Seal [PS-3870 3/4" Viton] (PS-3870) starkfiltration Helps restore dependable system filtrationThe US Seal Shaft Seal [PS 3870 3 4" Viton] is a replacement pump shaft seal from US Seal Manufacturing designed to help prevent water from leaking along the pump shaft in compatible pool and spa pump assemblies. Shaft seals are critical service parts because they protect the motor side of the pump from water intrusion while allowing the impeller and shaft to rotate properly. This seal is intended for pump repair situations where the existing seal is