Product Overview
The Sealco 110380 is a trusted non-ABS service relay valve engineered for use in tandem-axle trailer systems with four brake chambers. Designed for nipple mounting, this valve features a ¾″ NPT reservoir port, a 3/8″ NPT control port, and four 3/8″ NPT delivery ports. Its rugged aluminum construction ensures reliable performance and longevity—making it excellent for replacement or retrofit applications in heavy-duty trailer brake circuits.
