Features: 1.Applicable Model: The valve is replacement for Thetford Aqua Magic V high and low model RV toilet. Please confirm whether your model is consistent before buying to avoid unnecessary return. 2.OE Number: The part number for reference is 31705. Please confirm whether it is consistent with the OE you need before buying to avoid unnecessary return. 3.Easy to Use: Just snap the flush valve in, secure with two screws, convenient and quick, and reconnect water lines, make the installation easier. 4.Freeze Crack Resistance Design: The toilet water valve adds a layer of elastic lining material inside the valve to counteract the increase in volume when the water freezes. 5.Anti Leak: The valve has ultrasonic welded valve joints, sturdier caps, thicker walls and tighter connections, helping prevent the dreaded leak. Specification: Item Type: RV Toilet Valve OEM: 31705 Material: Plastic, Rubber Fitment: Replacement For Thetford Aqua Magic V High and Low Model RV Toilet Such as Mod. 31688, 31687, 31683, 31648, 31652, 31680, etc. Note: 1. Please double check the part number of your item, matching information is for reference only. 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!