Armstrong 73W18Armstrong 73W18 sets the standard for precise control with a defined control limit of 150F. Built to deliver consistent results, this unit is trusted for applications where strict temperature boundaries matter. Its design prioritizes stability and predictable behavior, helping operators maintain quality across shifts. Engineered for durability and accurate temperature control, the Armstrong 73W18 supports reliable performance in demanding

Whether you're replacing worn parts or upgrading an ignition circuit

The 160°F cut-in and 140°F cut-out temperatures offer reliable protection and efficient operation

Coil voltage options: 24 VAC

and a 5 W power rating

thermostatic temperature control for modern heating systems

Temperature: up to 125°F AC / 104°F DC

this screw-in anode rod features a 0

Crafted from sturdy magnesium

protecting against pressure fluctuations and outages

60 Hz transformer rated at 40 VA

Designed for a 120 Volt AC

Dimensions: Overall 1-3/8" width x 2-3/4" height