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.
The Zestimate home valuation is Zillow's estimated market value for a home, computed using a proprietary formula. It is a starting point in determining a home's value and is not an official appraisal.The Zestimate is calculated from public and user-submitted data. Updating your home facts can help make your Zestimate more accurate.omparing your home to recently sold properties can also help you understand what your home is worth. Additionally, your real estate agent or appraiser will physically inspect the home and take into account special features, location and market conditions.