Watts 0066608 XpansionTank 30067439-890 it maintains precise cubic feet

it maintains precise cubic feet per minute (CFM) ratings required for critical refrigerant cooling

the R30650 features a durable ceramic insulator and heavy-duty alloy probe to withstand repetitive thermal cycling without signal degradation

For installations utilizing individual conductors rather than pre-terminated whips

It features a versatile design capable of handling multiple refrigerants with specific nominal tonnage ratings: 7-1/2 tons for R22 and R407C

it reduces labor time during installation

Watts 0066608 XpansionTank 30067439-890 it maintains precise cubic feetThe 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