The ZT-100 shutoff system offers an improved means of monitoring heated liquid temperature and initiating preventive action in the event of a temperature overshoot or damage to a heating system.

Other features include:

Single-seated diaphragm control valve

Temperature sensing pilot with a manual

relief feature

Combination pressure regulator-strainer-

relief valve

Adjustable set point spans are in

approximately 30°F increments between 100°F and 210°F

Control valve sizes are 3/4 in. through 2 in.