McDonnell & Miller 194 Controller 30067439-890 Operating on a 460V 3-phase

Operating on a 460V 3-phase power supply

this unit delivers a reliable 6000V secondary output from a standard 120V primary source

lead-free version of the original MMV-UT-M1 and MMV-UTnd-1 models

this kit streamlines the fuel conversion process by providing Genuine Weil McLain parts that meet precise 120/24V control interface requirements without compromising the cast iron boiler's lifecycle

With a mechanical life rating of 10 million cycles

McDonnell & Miller 194 Controller 30067439-890 Operating on a 460V 3-phaseAs a veteran HVACR technician, you know that maintaining precise water levels in high pressure systems isn't just about efficiencyit is about safety and equipment longevity. The McDonnell & Miller 194 Low Water Cut Off and Pump Controller (Part Number 166600) is the industry standard for commercial and industrial steam boilers, engineered to operate reliably in environments up to 250 PSI max pressure. This heavy duty combination LWCO and pump