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5% input at the low detent
In a vacuum system
preventing unauthorized flow or heat overruns
ensuring a reliable fit for current industry transition standards
Watts 0066606 Expansion Tank Els PW 17895 5% input at the lowThe Watts 0066606 (Model ETX 30) is a high performance hydronic expansion tank designed specifically for closed loop heating and cooling systems. As a veteran grade direct replacement for 0067411 and the legacy ETX 30 series, this 4. 5 gallon unit effectively manages thermal expansion by absorbing excess water volume to protect the boiler and system piping. Built with a rugged carbon steel shell and an epoxy finish, it features a heavy duty butyl
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