Johnson Controls A19ADB-25 Utility Thermostat Els PW 17895 failure is caused by "dry

failure is caused by "dry firing" (operating without water) or heavy limescale buildup insulating the element

14 universal orifice

ensuring durability in demanding mechanical room environments

This PopTop zone valve body is ideal for field-serviceable installations where the actuator must be easily replaced without breaking the plumbing line

Johnson Controls A19ADB-25 Utility Thermostat Els PW 17895 failure is caused by "dryJohnson Controls A19ADB 25 Utility Thermostat, 120 208 240 Vac, 65 300 Degree Temperature Range, 6' Capillary Length, Open Hi, Remote Bulb, Manual Reset, Screwdriver Setpoint Adjustment A19ADB 25 is identical to A19ADB 25C