The Smoke Watchman Model SPD is a Microprocessor Controller used to protect the heating Plant from unnecessary amounts of carbon deposits in your flue chamber. It also limits the amount of smoke over and above the legal limit. When properly set, the Smoke Watchman helps reduce excess amounts of air pollution. When the Smoke Watchman Cell Unit senses smoke above the legal limit, the alarm will ring for two (2) minutes and the digital display on the main panel, will count up in seconds. After...

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