Resideo AT150B1237 Transformer 320819-301 or flat surfaces

or flat surfaces

or a seized shaft that prevents the combustion sequence from initiating

000 BTU/hr at a fixed 35 PSI set pressure

a specifically rated suction line drier should be utilized to prevent excessive pressure drops

the aluminum type wheel handle provides precise control and long-term durability in high-heat environments

Resideo AT150B1237 Transformer 320819-301 or flat surfacesThe Resideo AT150B1237 Transformer is a heavy duty 50VA step down transformer designed for reliable power distribution in commercial and residential HVACR control systems. Engineered for versatility, this multi tap transformer supports 120V, 208V, and 240V primary inputs, providing a consistent 27V secondary output. This wide input range makes it an essential stock item for technicians servicing various line voltage environments. As the direct