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Using adapters to downsize venting must comply with specific manufacturer equivalent length calculations
Is the HE-68N2-0N00WS compatible with older HE-6700 series installations
allowing for a rapid motor swap-out during service calls
consult the system specifications to ensure material compliance with Hycar limits
Fenwal 35-615521-203 Module 30067439-890 Using adapters to downsize ventingThe Fenwal 35 615521 203 is a 24v DSI ignition module engineered for high performance gas fired appliances including furnaces, boilers, and water heaters. As a microprocessor based control, it provides precise sequencing and safety monitoring for direct spark ignition systems. This specific model features a 30 second pre purge to clear the combustion chamber and a 7 second trial for ignition (TFI) to ensure reliable burner startup. Built with an
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