Versa 130 Technical Data

Designation for a Electronic heater using propane gas is “EP”; a Electronic heater using natural gas is “EN”. Designation for a Millivolt heater using propane gas is “MP”; a Millivolt heater using natural gas is “MN”. Prefix “P” is for plastic (polymer) headers Suffix “X” is for cupro-nickel tubing; “C” is for copper tubing Example: P-R130A-EN-X = Plastic headers, 130 model size, Electronic, natural gas, cupro-nickel Reduce input 4% for each 1000 feet above sea level when installed above 2000 feet elevation. Manufactured under Patent No. 3,623,458. Plastic (polymer) headers cannot be used for installations requiring ASME certification.

How to Pick the Right Size Heater Proper heater size is based on the time required to heat the pool or spa. If water is heated for each intended use, energy-saving rapid heating may be appropriate. If water is gradually heated to the desired temperature and then maintained at that temperature, a smaller heater may be acceptable. To determine proper heater size, use the following formula.

______ Desired water temperature (°F) (minus) – ______ Average air temperature (°F) (equals) = ______ Required temperature rise (°F) (divided) ÷ ______ Required time to heat pool/spa to desired water temp. (hours) (equals) = ______ Required temperature rise per hour (°F)

Model Pool Size - Square Feet 300 400 500 600 700 800 1000 Desired temperature rise in °F per hour 130 1.1 .9 .7 .6 .5 .4 .3

Model Spa Size - Gallons 300 400 500 600 700 800 1000 Desired temperature rise in °F per hour 130 43 32 26 21 18 16 13