86 GV. Under sink questions. .
See attached photo.. after winterizing our 86 GV... a separate posting discusses a OEM Ice Machine water line leak.. but we dont know what this device is .. its in line to the faucet above the counter... this photo is taken from the storage area under the sink and counter top..... mounted to interior wall and has a " red" button on top... pushing this button seems to let air out of the system 
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Topic: 86 GV. Under sink questions. .