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The Reznor 221228 Switch is a high-tolerance single-pole single-throw (SPST) safety device engineered to verify proper venting and combustion airflow before allowing the ignition sequence to proceed
meaning it does not require a minimum differential pressure to open
Designed as a direct OEM replacement sheave
universal mounting adaptors
Maxitrol AD1094C-1050 Amplifier and Selector Freon The Reznor 221228 Switch isThe Maxitrol AD1094C 1050 is a high performance Series 94 amplifier and selector designed for precise temperature control in direct fired gas heating systems. Engineered to maintain stable atmospheric conditions, this unit features a wide setpoint range of 100 to 500 degrees Fahrenheit, making it a staple for industrial makeup air and process heating applications. As a critical component of the Selectra electronic gas modulation system, the AD1094C
