it meets the strict tolerances required for Miller and Intertherm equipment

it is the correct technical replacement

How do I install this on a steam system

Key Benefits Precision Refrigerant Balancing: Features a 6-tube configuration to ensure even distribution

Fill space: 20 thousandths of an inch

Johnson Controls D-3153-600 Diaphragm Replacement 30067439-890 it meets the strict tolerancesWhen you're dealing with air leaks or inconsistent damper positioning in the field, a cracked or worn pneumatic actuator diaphragm is the most likely culprit. This Johnson Controls D 3153 600 is the direct OEM replacement part engineered specifically for the D 3153 Series Pneumatic Actuator. Fabricated from a high durability synthetic elastomer, this damper actuator diaphragm provides the flexible seal necessary to convert control air pressure into