| 摘要 |
A damper-controlled gas delivery system for use with gas-fired fireplaces, the system having a solenoid valve controlling the supply of gas to a burner, a manipulable damper control lever, and a wire linkage connecting the damper control lever to a switch that controls the supply of electrical power to the solenoid valve, the damper control lever and switch, thereby preventing operation of the burner unless the damper is open.
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