Name: On The Fly Plumbing-backflow-h2o. Descripton:801-259-5326 On the fly Plumbing is a Flat Rate Plumbing Company, we charge by the job...not by the hour,we are a licensed and insured company, here to serve with ALL your residential/commercial Plumbing needs. Our plumbers are Licensed Journeymen plumbers,all background checked and screened. NO JOB TO LARGE OR SMALL. We will beat any "ligitimate" bid, we are the real deal, give On The Fly a Try. Toilets,leaks,water heaters,drains, gas lines,sewers,water mains,softners,dishwashers,sinks,faucets etc. Many References available. Rating of 1.0000 based on 1 reviews.