Kit for venting water heaters through existing connectors
Tjernlund Products introduces a new Chimney Stack Assist Kit that allows water heaters to be vented through existing connectors and oversized chimneys.

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Tjernlund Products introduces a new Chimney Stack Assist Kit (Model CSA1) that allows water heaters to be vented through existing connectors and oversized chimneys, eliminating the need to install a chimney liner. Use of a mechanical assist fan protects against condensation callbacks and flue gas spillage problems. The fan installs fast, operates quietly and plugs into a standard electrical outlet.
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