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when installed vertically
Key Benefits for Technicians Streamlined Testing: Simplifies the verification of low water cut-off functionality without requiring a full boiler drain
this valve provides the precise flow control needed for radiators
Neoprene (6JN) or Hytrel sleeves should be used if oil or chemical exposure is a primary concern
Johnson Controls A19ADB-39 Utility Thermostat 321042-401 when installed verticallyUtility 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.
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