ensuring seamless integration into existing valve bodies

As a direct replacement for R06428D435

The integrated auxiliary end switch (SPDT) provides a dry contact signal to cycle the circulator pump or boiler once the valve reaches the open position

maintaining a leak-proof seal under standard operating parameters

Direct compatibility with Burnham gas boiler parts simplifies the 100959-01 installation process for field technicians

Johnson Controls A19ADB-39 Utility Thermostat 318973-401 ensuring seamless integration into existingUtility 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.