Pilot Unloader Valve

Part #: 131BIG
Availability: Low Stock

Filter, Regulator, and Gauge Combination - 38FRGCRADLE

The same pilot valve as 131B, but with larger discharge port for constant speed applications involving 3-5 HP electric units without head unloaders.

1/4” NPT Unloader Port. Pre-Set @110 PSI Cut-In/135 PSI Cut-Out

For use with RolAir Models:

  • 3230K30CS
  • 5230K30CS
  • 8230HK30
  • 4090HK17/20
  • 6590HK18/20
  • 7722HK28/20
  • 11GR Series
  • 13GR Series
  • 18GR Series
Unloader 1/4” Tube
Pilot 1/4" M NPT

California Residents see Prop 65 WARNINGS