Specifically equipped for installation with residential closed loop indirect solar systems
For use only with propylene glycol as the heat transfer fluid
Special threaded stud located near the outlet for attachment of tank sensors
Collector feed and return fittings located at front of tank for convenient installation
Factory installed temperature and pressure relief valve
Over temperature protector
Includes 4500-Watt patented resistor heating elements for backup heating
Solar models meet all current requirements for solar storage tanks
Heat exchanger models include copper tubing wrapped around and secured to tank， double wall， vented design for positive leak detection
Meets or exceeds National Appliance Conservation Act (NAECA) requirements
6-year limited warranty on tank and parts
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