it maintains the manufacturer's specified CFM and combustion efficiency

5 to 3-ton systems make this the standard for reliable refrigerant flow control

Durable Housing: Built to withstand high ambient temperatures within the compressor terminal box

Reliable Steam Control: Restores the normally closed functionality and tight shut-off performance of the Type E Main Valve

Always verify the amperage draw on the secondary side before installing a new HVAC transformer

Mepco (Dunham Bush) ML5970 Valve 319847-401 it maintains the manufacturer's specifiedAs a technician, you know that keeping a steam or hydronic system balanced starts with a reliable isolation point. The Mepco (Dunham Bush) ML5970 Valve is a 1 2" 740A ST 1 straight pattern radiator valve engineered specifically for high demand commercial and industrial heating applications. Built with a heavy duty bronze body, this manual valve provides positive on off control for radiators and heating elements across a wide pressure range, from 25"