Sundance Replacement 3/4" Barb x 3/4" Barb x 3/8" Barb 2-Pin Flow Switch Tee (Q12DSC2/SUND860) caps Selecting the correct shaft size

Selecting the correct shaft size and seal material helps the rebuild stay aligned with the intended pump design instead of becoming a loose approximation

Verify compatibility using part number 473777 before installation

Supports proper combustion airflow and heater startup

and frame style correctly helps preserve wet-end compatibility and contributes to a smoother

Sundance Replacement 3/4" Barb x 3/4" Barb x 3/8" Barb 2-Pin Flow Switch Tee (Q12DSC2/SUND860) caps Selecting the correct shaft sizeThe Sundance Replacement Flow Switch Tee is a generic replacement component with 3 4" barb x 3 4" barb x 3 8" barb connections and a 2 pin configuration. This assembly is used in compatible spa plumbing where a flow switch is required to confirm water movement through the system. Use this part only after matching the barb sizes, connector style, and switch configuration to the existing installation. Proper fitment is important for both plumbing seal