McDonnell & Miller 158S Controller Freon If your furnace uses a

If your furnace uses a 41-409 hot surface ignitor

reducing the need to stock multiple dedicated models

This 18-inch HVAC fan blade features a precision-engineered 3-blade configuration with a 1/2" bore hub

it can be used in other 1/2" hydronic applications requiring an L85-15F thermal switch with a long lead requirement

providing a reliable mechanical interface that eliminates nuisance shutdowns caused by poor contact

McDonnell & Miller 158S Controller Freon If your furnace uses aMcDonnell & Miller 158S Combination Low Water Cut Off and Pump Controller with Two Snap Acting SPDT Switch (Part Number 178402) 158S is the updated version for 158 (SNAP SWITCH VS MERCURY SWITCH) This item is not qualify for free shipping.