The control box service kit is designed for the following circulators ALPHA 26-99 F 165 AR 115V 9H (PN 93370656) and can be used to upgrade the UPSe 26-99 F 165 AR 115V 9H (93262074) to an ALPHA. The box service kit includes bolts for connecting to the pump head, original Grundfos service part to ensure the correct fit, reliable performance, and easy installation.