Tag: Hern 477PN-HS6

If you’ve recently come across the Hern Model 477PN-HS6 6 hoses for pneumatic controls not plumbed, you’re likely either troubleshooting a system, sourcing replacement parts, or designing a new pneumatic setup. You’re not alone—many engineers and maintenance professionals face confusion around what “not plumbed” really means and how to properly integrate this unit. In this…