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

technicians can restore precise control and extend the service life of existing HVAC control valves without the cost of a full body replacement

the component has reached the end of its service life and requires immediate replacement

What is the difference between the 750 and the 750TO

ensuring seamless integration into existing valve bodies

Johnson Controls A19ADB-39 Utility Thermostat 318973-401 Direct compatibility with Burnham gasUtility 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.