The anti-siphon valve on the vented loop is usually not routed anywhere. It just sits on the top of the loop.
It’s different from the tank vent. Dennis C. Sent from my iPhone > On May 24, 2019, at 8:31 AM, Shawn Wright via CnC-List > <cnc-list@cnc-list.com> wrote: > > Interesting, I will have a look at mine. Yours is vented outside the hull, > right? Mine has a hose, which I assume is connected to the holding tank vent > line, and then to the outside vent below the toerail. > -- > Shawn Wright > shawngwri...@gmail.com > S/V Callisto, 1974 C&C 35 > https://www.facebook.com/SVCallisto > > >> On Wed, May 22, 2019 at 12:10 PM Dennis C. via CnC-List >> <cnc-list@cnc-list.com> wrote: >> I started smelling a little head odor recently. I quickly traced it to the >> "duck bill" valve on top of the vented loop on the discharge hose. Like >> joker valves, these often overlooked valves can get scaled up and leak. >> >> To confirm, I dried the top of the valve cap assembly, gave the head a few >> hard pumps on wet flush and checked it. Sure enough, the top was wet. Over >> time, this small amount of black water leaking into the boat will result in >> an odor. >> >> Depending on the manufacturer of the vented loop, replacing the duck bill is >> usually easily done. Mine is a Forespar MF-841. readily available for >> about $12 on Amazon or eBay. I've replaced it at least once in 20 years. >> >> Hope this benefits the list. >> >> Dennis C. >> Touche' 35-1 #83 >> Mandeville, LA >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each and >> every one is greatly appreciated. If you want to support the list - use >> PayPal to send contribution -- https://www.paypal.me/stumurray >> > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each and > every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray >
_______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
