Pentair MASTERTEMP 125 Installation And User Manual

MASTERTEMP
®
125 Pool and Spa Heater Installation and User’s Guide Rev. B 8/14
48
CHEMICAL BALANCE (continued)
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WATER CHEMISTRY PARAMETERS
Section 6. Maintenance
Table 7.
*Start-up TDS includes source water TDS and any other inorganic salt added at start-up.
NOTE (**): Failure to adhere to the listed water chemistry parameters may result in premature failure of the heat exchanger and will
VOIDTHEWARRANTY.
Disinfectant levels Minimum Ideal Maximum
Free Chlorine, ppm 1.0 2.0-4.0 5.0**
Combined Chlorine, ppm None None 0.2
Bromine, ppm 2.0 4-6 10.0
Other Sanitizers Levels not established. Consult local health department before use.
Chemical Values
pH 7.2 7.4-7.6 7.8**
Total Alkalinity (Buffering), ppm 60 80-100 180
as CaCO3
Salt ppm 2000 3200 5000**
Total Dissolved Solids, ppm N/A N/A 1,500 ppm > TDS at startup*
Calcium Hardness, ppm, as CaCO3 150 200-400 500-1,000
Heavy Metals None None None
Biological Values
Algae None None None
Bacteria None None Refer to Local Code

Pentair MASTERTEMP 125 Specifications

General

BTU Output	125, 000 BTU/hr
Fuel Type	Natural Gas or Propane
Ignition System	Electronic
Minimum Flow Rate	20 GPM
Maximum Working Pressure	50 PSI
Efficiency	82%
Water Connections	1.5 inch
Certifications	ANSI Z21.56
Voltage	120V