facilitating reliable ignition cycles in demanding residential and commercial environments

Direct OEM Replacement: replaces legacy part 661049 for a seamless fit

For technicians performing HVAC system diagnostics or repairs

Common Questions & Technical Insights Can this relay be used for 208-277 Vac applications

Whether you are servicing a residential condenser or a commercial air handler

Johnson Controls F59H-1 Switch 30067439-890 facilitating reliable ignition cycles inThe Johnson Controls F59H 1 Switch is a heavy duty, two pole liquid level switch designed for automated sump operation and open tank management. Engineered as the direct replacement for the legacy F59H 6 model, this unit features a DPST (Double Pole, Single Throw) contact block rated for 1 hp at 120 240 Vac and 1 4 hp at 32 Vdc. The switch utilizes a weight operated mechanism, including a 3 foot non corrosive cable and two phenolic weights, to trigger