Optimizes ignition transformer output by minimizing resistance across the 36-inch lead

helping restore safe system operation

Broad Application: Suitable for all McDonnell & Miller FS4-3 models (excluding D and T variants) and high-capacity FS250 series switches

It features the same electrical specifications and pressure rating

Designed as a direct interface solution

MARS 19551 Relay Els PW 17895 Optimizes ignition transformer output byThe MARS 19551 is a high performance potential relay designed for precise motor starting control in HVACR applications, specifically engineered for single phase capacitor start motors. This component serves as a direct professional grade replacement for the 3ARR3MARS551, ensuring seamless integration into existing submersible pump controls and compressor systems. Operating with a continuous voltage rating of 244 270V, the 19551 utilizes