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Final Check List
Chapter6.-FinalCheckPointsandMaintenance
Final check : On the installation conditions.
• Is the Combi Boiler securely mounted on the wall?
• Is there space for a drain which is close to the Combi Boiler?
• Is there any combustible material near the Combi Boiler and vent pipe?
• Is the air supply sufcient for proper operation of the Combi Boiler?
• Are the proper service clearances maintained?
• Is the distance between the Combi Boiler and point of vent termination minimized?
• Are the proper space from windows, doors, and other intake vents maintained?
Final check : Gas pipe installation
• Is the gas supply line equipped with a manual shut off valve?
• Is the gas supply line a minimum of 3/4" inner diameter?
• Is the gas supply line length and diameter adequacy to deliver the required BTUs?
• Has the gas supply line pressure been measured?
• Does the gas type match with the type indicated on the rating plate?
Final check: Air / Vent pipe installation
• Has the Combi Boiler been vented with 2" or 3" PVC, CPVC, Polypropylene or BH Special
Gas Vent (S636 PVC, CPVC) for Category IV appliances in accordance with this manual and/or your local code?
• Is the vent termination at least 12" above the exterior grade?
• Is the total vent length within the maximum vent length restriction?
• Have you checked the air/vent piping for leaks?
• Have you properly supported the vent termination?
• Are all vent runs properly supported?
• Is the vent sloped upward toward the vent termination at a rate of 1/4" per foot (2% grade)?
Final check : Condensate drain installation
• Have you installed a condensate drain line from the Combi Boiler to a drain or laundry tub?
Connecting the power supply
• Please check the power specications. Is that AC 120V power?
• Have you checked the polarity of the electrical connection?
Final check : Pressure relief valve
• Have you installed an approved pressure relief valve on the Combi Boiler?
• Is the pressure relief valve of DHW Plumbing at least 3/4" in diameter?
• Have you installed the pressure relief valve on the DHW outlet pipe near the Combi Boiler?
Final check : Burner ames
• The burner ame must be checked periodically for a constant proper blue color.
• If the ame does not appear normal, the burner may need to be cleaned.
• If the burner needs to be cleaned, it must be performed by a qualied service technician.
6-1. Final Check List