69HAU3 Hubbell pressure switch 30-40 psi w/ unloader

Features:

• Rugged steel case and cover
• 5 HP, 250 PSI max
• 3/8" Female NPT w/ Pulsation orifice
• Easy adjustment
• No drift pressure settings
• Ample wiring room, 2 ground screws
• Visible contacts
• UL listed file #E14861
• CSA certified file LR36854
• Automatic unloader valve