Potter & Brumfield [P & B] S90R Relay [3PDT] [115V] is used in pool and spa control systems where reliable signal, switching, user input, or equipment communication is required. Electronic and control-related parts should be selected by exact part number and system compatibility because similar panels, receivers, relays, antennas, and circuit boards may look alike but operate differently. This item is a practical replacement when the existing control component has failed, become intermittent, suffered weather exposure, or no longer communicates properly with the equipment it controls. The listed specifications for this item include P & B, 3PDT, 115V, which can help confirm the correct configuration before ordering. Before installation, verify the connected automation system, cable length, voltage or relay rating when applicable, and enclosure condition. Power should be disconnected before service, and installation should be completed by someone familiar with pool and spa electrical systems.For this specific item, use part number 410125 as the primary reference when checking fitment. The vendor listed for this product is Potter & Brumfield, and the category is Electrical: Relays/Contactors, which helps identify the most likely equipment area but should not replace direct comparison with the original part. If the old part is still available, compare connection points, mounting locations, color or finish, molded markings, and any printed service numbers before installing the replacement. Replacement control or electrical component for the listed system Helps restore equipment communication, switching, or user control Match by part number, system family, cable length, and color where listed Inspect wiring, terminals, seals, and enclosure condition during service Electrical installation should be handled by a qualified technician
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