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3. Mark off the location for the flexible piping penetration locations. Verify that there are no roof joists or obstructions
prior to drilling, then drill, or cut openings for piping penetrations.
4. Carefully place collectors on roof. Place collector against temporary support and align them so that the flexible
piping connections align with the openings cut into the roof deck. Ensure that there is 4" of space between collectors
(measured to the vertical wall casing). Secure collector top support flange to roof deck using three self-tapping
stainless steel mounting screws (provided). When possible, screws shall be located to secure the collectors to the
roof supports below.
5. Open the packaging for the ZFM flexible pipes (used to connect the collectors to the pump station). Identify ZFM
flexible pipe connection end for connection to the pump station (end with red/blue tabs) and the connection end for
connection to the collector (end with cone shape). Route the collector ends up through the roof and attach flexible
piping to collectors. Secure flexible piping nuts securely using wrench.
Part 3: Solar water heater system installation – 17
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