providing enhanced thermal resilience in high-ambient environments

making it compatible with a wide range of flame safeguard controllers and motor circuits

the 023Z5013 is specifically designed for liquid line protection

Features a continuous duty cycle encapsulated design to withstand extreme thermal fluctuations

Watts 0066608 XpansionTank 30067439-890 providing enhanced thermal resilience inThe 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