Standard units with 55 or 100 gallon tanks. Relief valve adjustable between 50-125 psi. Steep pump curve allows for pressure settings up to 100 psi. Adjustable pressure switch with 30-150 psi set point range, 5-30 psi dead band and visible range scale.
Zestimates: Improving accuracy. Zillow says Zestimates currently have a median error rate of 8%. That may seem to be a large margin â but it has improved. The algorithm began with a 13.6% median error rate in 2006, according to Zillow. However, error rates can vary widely, depending on where you live.
Again, the Zillow estimate was too low, at $488,711, and it sold for 16% more, which included a buyer's lender's appraisal, at $565,500. The Zestimate is formulated to give website visitors a range of value. It's not meant to replace an appraisal nor a real estate professional's opinion of value.