VERSA & VERSA PLUS Gas Spa Heaters Model 105 105,000 BTU Model 155 155,000 BTU Model 055 55,000 BTU

Advanced Unitherm Plus Full-Flow System* Improves Heater Life For Your Spa. Condensation-free operation is assured even with low temperature inlet water. Both water temperature and flow rate inside the heater are controlled to eliminate condensation, sooting and scale buildup that can shorten heater life. More hot water moves through faster, and more efficiently. Patented Econotherm Heat Exchanger. Your VERSA is equipped with a unique all copper finned tube heat exchanger, designed for efficient heater performance. Both header castings are made of porcelainized cast iron, durable and corrosion-resisant. Two-Year Limited Warranty against defects in materials and workmanship (call for details). In addition, every VERSA is thoroughly tested in simulated field conditions before shipment.

How To Pick The Right Size Heater

Proper heater size is based on the time required to heat the 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.

Use the chart below to find the appropriate heater for your spa.

Spa Size - Gallons
Heater Model	300	400	500	600	700	800
Desired Temp. Rise in Degrees Fahrenheit per hour
055*	16	12	10	8	7	6
105	34	25	20	17	14	13
155	48	36	29	24	21	15

Caution: Spa temperature should never exceed 104 Degrees Fahrenheit.
*Model 055 does not have Unitherm thermostat.

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Available from Specialty Pool Products 1-800-983-POOL 1-800-983-7665