White-Rodgers 768A-843 Ignitor The Cleveland Controls DFS-221-112 Switch
Baker’s notes & crumb story
Description
The Cleveland Controls DFS-221-112 Switch is a fixed-setpoint air pressure sensing switch designed for critical airflow proving in duct heaters
you know that a leaking vacuum breaker can compromise the entire automatic draining feature of a Series FHB frost-proof hydrant
This SPST (Single Pole Single Throw) induction draft pressure switch is factory-calibrated to trip at a -
Technical specifications confirm a operational range of 189 to 227 microfarads with a 165VAC rating
White-Rodgers 768A-843 Ignitor The Cleveland Controls DFS-221-112 SwitchUpgrade your thermal system reliability with the White Rodgers 768A 843 Silicon Nitride 80V Hot Surface Ignitor. This OEM replacement nitride ignitor is engineered specifically for residential furnaces utilizing 80 volt ignition systems and serves as the direct replacement for 768A 143 and Thermo Products components. Unlike fragile silicon carbide alternatives, this nitride hot surface ignitor features superior mechanical strength and thermal