Waterproof PCM Controlle d Fan Relay Kit

The waterproof PCM controller fan relay kit is engineered for marine and boating applications where dependable cooling system management is essential. Built to handle the harsh saltwater and spray environments that all serious anglers and boaters face, this relay kit provides automatic fan engagement based on engine temperature, eliminating the need for manual monitoring or aftermarket solutions that compromise reliability. Whether you're running a center console offshore, a cabin cruiser, or a high-performance fishing vessel, proper engine cooling directly impacts fuel efficiency, longevity, and your ability to stay on the water when it counts.

The kit features a 35-amp relay and an integrated 30-amp circuit breaker, protecting your vessel's electrical system from overcurrent conditions that can damage wiring or disable critical equipment mid-trip. Its waterproof PCM (Powertrain Control Module) housing seals out moisture and corrosion—critical for any marine installation where spray, humidity, and temperature cycling are constants. All necessary hardware and terminals are included, allowing for straightforward integration into your boat's existing cooling and electrical infrastructure without requiring specialized connectors or adapters that waste time and money.

Marine technicians and boat owners who prioritize system redundancy and weatherproof construction benefit most from this relay kit, particularly those operating in saltwater or extended offshore conditions where equipment exposure is unavoidable. Installation pairs well with stock or upgraded cooling fans on inboard and outboard engines, and the compact 4.7 x 1.6 x 7.4 inch footprint fits easily in engine compartments without sacrificing accessibility. The 30-amp circuit breaker provides the safety margin demanded by modern marine electrical codes, ensuring your fan relay operates reliably for years without nuisance trips or failure modes that could leave you stranded.