Electronic Zero Loss

good.. better.. best

Air operated diaphragm valve for high flow and reliable operation

Electronic control in IP65 rated enclosure with  contacts for remote alarm system fitted as standard

Internal strainer – protects the valve while extending service life

The STERLING ZL1300 is an electronic zero-loss condensate drain designed and built to the most exacting standards to provide long-term reliability, high capacity (to 1300 cfm), and very importantly exceptionally low running costs. Incorporating two inlets, an internal strainer, local alarm, contacts for a remote alarm, override test button, and rated for IP65 protection ZL1300 is the quality solution with rapid payback in compressed air savings.


quick.. easy.. smart

Flexible installation

EMD12 can be installed “sideways” as illustrated to simplify use with filters etc.
Having two liquid sensors the drain is equally at home in this position or in the more usual “upright” position

The STERLING EMD12 is an electronic zero-loss condensate drain designed and built to the most exacting standards to provide long-term reliability and exceptionally low running costs. EMD12 is a modular drain with an easily accessible strainer that can be removed for cleaning while the drain remains installed. The low cost service module is also quickly and easily replaced. The EMD12A version offers powered connection for a remote sited alarm