The White Rodgers 3049-121-B1 Flame Switch helps monitor flame conditions and supports safe, reliable operation in compatible gas-fired equipment. Designed as a flame-responsive control component, it detects heat from the burner flame and changes its electrical state according to the sensed temperature, allowing the equipment’s control system to respond appropriately. This function he... https://partsfe.ca/3049-121-b1-white-rodgers-flame-switch/2-3049-121-B1.html