Our specially designed PVC offset coupling is for use when adapting the SF180
to 3" PVC The offset coupling must be used when adapting to 3" pipe to prevent
excessive condensation build-up in the fan. The fitting is 4.5" in diameter and
has a 3.5" diameter socket to accept 3" PVC . When installed properly, the
coupling allows for condensation drainage from the bottom of the fan straight
through to the PVC pipe.
The offset can also be used on the discharge side of the fan to maintain the
proper spacing allowing the installer to run the stack straight up out of the
fan without the need for other fittings. The offset connects to the SF180 using
standard 4 x 4 couplings. We suggest white to compliment the attractive install
of the stay-white SF180.
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