Watts ETX30 Pressurized Expansion TankWatts ETX30 Pressurized Expansion Tank is an in line expansion solution designed for reliable hydronic systems. This 4. 5 gallon tank features an epoxy coated carbon steel body, a rugged Butyl rubber diaphragm, and factory pre charged air, delivering dependable operation up to 220F and 75 PSI. Ideal for commercial and residential closed loop heating and cooling, the ETX30 mounts to supply piping with 1 2 in. male threaded connections. The factory pre

Its front-access reset button

delivering consistent performance across a range of operating conditions

it integrates with standard thermostatic radiator valves

the TS114 provides dependable sensing and responsive performance in demanding environments

double-sided foam back tape

mechanical thermostat designed for dependable heat control in residential and light commercial systems

With a corrosion-resistant ASTM B584 bronze body

10 A resistive

ensuring consistent results with every test

polycarbonate base/cover

process drying

000 BTU per hour and a natural gas pressure regulator setting of 3