List of largest stars. Not to be confused with List of most massive stars. Below is a list of the largest stars so far discovered, ordered by radius. The unit of measurement used is the radius of the Sun (695,700 km; 432,288 mi).
1 According to HomeAdvisor.com, the average cost nationwide to repair a swimming pool heater is about $400 to $600.2  Based on the type of repair and local pricing, however, actual repair costs could be significantly higher or lower. 3  A recommended annual pool heater tune-up costs $100 to $200.eated pools allow for a longer swimming season than non-heated pools, but they have a higher cost of ownership. In addition to the fuel needed to run a swimming pool heater (at least if itâs electric or gas; free-energy solar heaters are also available), mechanical upkeep is also required.
Pool water heater. Life expectancy: 8 years. Replacement cost range: $730-$2,100 for natural gas heaters, $1,000+ for solar energy models, $2,000-$3,000 for electric heaters. Swimming in frigid water is no fun, and a water heater is essential to ensuring you are able to stretch how long you can use your pool.hether you are considering a home purchase that comes with a pool or thinking about installing a pool on your current property, you probably want to know how much money replacement parts cost and what the life expectancy of swimming pools and all those parts might be.