Johnson Controls A19ADB-39 Utility Thermostat 321042-401 Neoprene (6JN) or Hytrel sleeves

Neoprene (6JN) or Hytrel sleeves should be used if oil or chemical exposure is a primary concern

Efficient Switching: Provides high-cycle 24V switching performance to maintain consistent igniter and pump operation

this valve ensures continuous flow until the 120Vac coil is energized

Key Benefits for Technicians Streamlined Testing: Simplifies the verification of low water cut-off functionality without requiring a full boiler drain

Johnson Controls A19ADB-39 Utility Thermostat 321042-401 Neoprene (6JN) or Hytrel sleevesUtility Thermostat, 120 208 240 Vac, 100 240 Degree Temperature Range, 20' Capillary Length, Open Hi, Remote Bulb, Manual Reset, Enclosed Setpoint Adjustment A19ADB 39 is the direct replacement for A19ADN 2 ( 2 WAS FM LISTING, 39 NOT FM RATE) This item is not eligible for free shipping.