If you are operating 2 3/4hp compressors from the same timer then you should increase the quality of the timer to a more heavy duty Intermatic metal box timer. They are commonly available.
Example.
Intermatic T101 24-Hour Mechanical Time Switch - Reliable Control for Various Loads, 12 ON/Off Operations - Manual Override & Included Trippers, Designed for Industrial, Commercial, Residential
Depending on the pond clarity and water quality in my experience the air station diftusers should be raised, inspected and usually scrubbed clean each year, usually prestart-up. Manufacturers claim that diffusers are self cleaning but my long experience has been the system runs more efficiently and lasts longer with less stress on the compressor when the diffusers are manually cleaned each year.
Last edited by Bill Cody; 05/30/25 08:52 AM.
