Corrosion Resistance: Durable powder-painted exterior withstands 500 hours of salt spray testing

which corresponds to the 5/8" nominal size used in standard plumbing

a critical thermal protection component designed for Intertherm

Durable Construction: High-grade diaphragm and electrical contacts designed for frequent cycling and thermal stability

These gaskets are specifically dimensioned for Watts 3001 and 3002 series 1-inch dielectric unions

Johnson Controls T-4000-2639 Cover Corrosion Resistance: Durable powder-painted exteriorJohnson Controls T 4000 2639 Gold Plastic Cover, Horizontal, No Thermometer or Setpoint Window, Johnson Controls Labeled