n8martin Posted January 5, 2021 Report Share Posted January 5, 2021 Hi Friends: I have an air blockage post-blower on a 1992/93 Coleman/CA Cooperidge Spectrum 200 spa. The blower is fine itself. Wondering if there is a check valve on this system, and if so, where in the line it would fall for replacement. I cannot conceive of another reason, aside from a failed check valve, why it would be blocked (debris, collapsed pipe, etc.), but there could be one. I've attached a .pdf of the owner's manual for reference, but it has no insight into its plumbing design or plumbing parts. Thanks in advance for your advice. ~N8 1992-1993-horizon_spectrum.pdf Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted January 6, 2021 Report Share Posted January 6, 2021 Bad check valve. If it isn't right by the blower it is probably by the Hartford loop. Quote Link to comment Share on other sites More sharing options...
n8martin Posted January 8, 2021 Author Report Share Posted January 8, 2021 Hi RD - thanks for the confirmation. Had to cut away a bunch of sprayed-in insulation to find it, but there it was at the top of the hartford loop. 1 Quote Link to comment Share on other sites More sharing options...
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