Universal Pressure Switch Will retrofit to virtually any pressure switch application. 3902 Series replaces all pilot duty and millivolt gas heater applications. 3925 Series replaces all 25 amp electric heater applications. Shipped with a 1/8" barb adapter and both 3/8" and 1/4" compression adapters
All Stainless Steel Construction
Length - 1.5"
Connects to 3/8"" Tubing
Mounts to Laing Trombone, U-Bend, and Square Back Style Low Flow Heaters
Used On Sundance & Jacuzzi Spas