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Control Boards
CONTROL IGN SURF HOT HOT SURF IGN CTRL
The 50V51-843 is a two stage automatic gas interrupted ignition control employing a microprocessor to continually monitor, analyze, and control the proper operation of the gas burner and inducer. the 50V51-843 provides signals for proper operation of a variable fan speed circulator blower signals interpreted during continual surveillance of the two stage thermostat and flame sensing element initiate automatic ignition of the burner, sensing of the flame, and system shutoff during normal operation. the control incorporates system fault analysis for quick gas flow shutoff coupled with automatic ignition retry upon sensing a fault correction.
KIT CTRL IGN SPK 18 TO 30VAC 0.2A IMPORT
Microprocessor based gas ignition and primary safety control designed for interrupted spark and burner supervision of all gases used in gas fired appliance applications.
120VAC 14.5 TO 25A STDF DIR
Lennox/Allied Air direct Replacement Integrated Furnace Control kit for 1-stage 120 V hot surface ignition and 2 or 3-speed PSC blower motors, features diagnostic LED and pushbutton fault recall, includes DIP switches for easy blower delay configuration. Replaces 56W19, 74W03, 81W03, 94W83 and more.
