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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
maintaining system calibration under continuous operation
always check your specific model and serial number for exact fitment
allowing technicians to manage both primary loads and auxiliary signaling from a single device
making it suitable for high-pressure industrial burners
The Price 019455-109 supports multiple field-selectable inputs
Tjernlund Products MAC1E Control 320074-702 maintaining system calibration under continuousThe Tjernlund MAC1E Multiple Appliance Control is an essential interface for sequencing draft inducers or power venters with multiple heating appliances. Specifically designed for 24 VAC control circuits, this interlock control allows a single exhaust fan to serve up to two separate gas fired burners or water heaters. When any appliance calls for heat, the MAC1E energizes the fan and verifies the pressure switch circuit before allowing the burner to