Built for reliability in high-traffic environments

Always verify your unit's voltage requirements before installation

Robust Construction: The heavy-duty plated steel frame and universal mounting design allow for flexible installation in various positions

Low Pressure Drop: Designed with a 3/8" port to ensure optimal flow rates with a minimum operating pressure drop of only 2 psi

this integrated control is the specified solution for restoring factory-standard performance to compatible Lochinvar and A

Lochinvar & A.O. Smith 100167886 Drive 321142-301 Built for reliability in high-trafficThe Lochinvar & A. O. Smith 100167886 Drive is a precision engineered Variable Frequency Drive (VFD) designed for high efficiency commercial boiler and water heater systems. This critical component provides modulating pump control, allowing the system to adjust motor speed based on real time demand rather than running at constant velocity. By integrating this OEM replacement VFD, technicians can ensure optimal hydronic system pressure and