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supporting both heating and cooling cycles
The rugged construction resists corrosion typical in mechanical rooms and outdoor enclosures
and allergens to protect indoor air quality
and Payne air conditioners and heat pumps
Watts 0066608 XpansionTank Refrigerant supporting both heating and coolingThe Watts 0066608, also identified as the ETX 90, is a high capacity hydronic expansion tank engineered to manage thermal expansion in closed loop heating and cooling systems. As the updated version for the legacy ET 90 and ETX 90 models, this unit provides a 15 gallon total tank volume with a 3 4" MNPT connection for seamless integration into supply piping. The carbon steel tank features a rugged butyl diaphragm that physically separates system water