unlike the KP series

The gas valve output is rated for a maximum of 2

unresponsive displays

this centrifugal blower prevents pressure switch trip errors and ensures your HVAC system operates at peak performance

Schneider Electric (Erie) VM3517 Valve Body Refrigerant unlike the KP seriesThe Schneider Electric VM3517 (formerly Erie) is a professional grade three way modulating zone valve body engineered for high demand hydronic applications. This 1 1 4 inch sweat connection valve features an 8. 0 Cv rating with a linear flow characteristic, providing high capacity performance for chilled water, hot water, and up to 50% glycol solutions. Built with a rugged brass body and a chrome plated stem, the VM3517 ensures an ANSI Class IV