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Set the unit’s operating temperature, Flame signal check – Greenheck DG / DGX with Direct Spark (470652) User Manual

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Set the unit’s operating temperature, Flame signal check | Greenheck DG / DGX with Direct Spark (470652) User Manual | Page 18 / 40 Set the unit’s operating temperature, Flame signal check | Greenheck DG / DGX with Direct Spark (470652) User Manual | Page 18 / 40