Specifications include, but are not limited to: ➢ Remove the four (4) current flues and furnish and install polypropylene replacement flue pipe on four (4) Raypak condensing water heaters. This will occur in a staged approach to allow water heating capacity to continue during replacement. The staging shall be coordinated with the County. ➢ The current four (4) condensing water heater flues shall be removed and replaced in the same configuration utilizing the same hangers and supports. ➢ Contractor shall be responsible for field measuring and verifying lengths and fittings of all piping that will be installed. ➢ Contractor shall be responsible for all fittings, adhesives, terminations, any material or additional supports or clamps to complete the project. ➢ The Contractor shall provide and install TWO (2) 6” CENTROTHERM POLYPROPYLENE FLU PIPING VENTS FOR CONDENSING RAYPAK WATER HEATER MODEL XFYRE 850 (WH7-0850A). This to include water heater adapter kit, vent limit switch, all fittings, supports and terminations. ➢ The Contractor shall provide and install TWO (2) 4” CENTROTHERM POLYPROPYLENE FLU PIPING VENTS FOR CONDENSING RAYPAK WATER HEATER MODEL XFYRE 500 (W7-500). This to include water heater adapter kit, vent limit switch, all fittings, supports and terminations. ➢ The Contractor shall incorporate proper condensate drainage drip leg with removable end caps and incorporated spigot to affix drain lines ➢ The Contractor shall install clear PVC drainage tubes from drip leg and connect to existing neutralizers.