Abstract: A drain clearing device for use on unvented plumbing fixtures having a drain and a holding tank is provided having a valve body. The valve body has a first end and a second end with a fluid flow channel therethrough, and a valve connected to a handle actuated to open and close to valve. A first fitting member and a second fitting member are connected to the first and second end of the valve body, respectively. Each of the first and second fitting members has a threaded portion on an interior sidewall thereof. A hose adaptor is connected to the first fitting member. A pipe has a first end and a second end is provided. The first end of the pipe has a threaded portion engageable with the threaded portions of the first and second fitting members to fasten the pipe in a retracted or extended position. The second end of the pipe has a seal. The seal is sufficiently compressible such that when it is pressed against the drain of the plumbing fixture, a fluid tight seal is obtained.