Armstrong International D24659 Thermostatic Operator 30067439-890 This 21-inch gray vertical drain

This 21-inch gray vertical drain pan is designed for a drop-in fit under the evaporator coil to prevent moisture overflow and eliminate the risk of structural water damage

this is an integrated conduit-style coil that includes 18-inch wire leads and a 1/2" NPT connection for standard field wiring

Measuring 19 1/4 inch diameter with a precise 22-degree pitch

this OEM replacement burner provides the thermal resistance required to prevent warping under high-fire conditions

Visual Diagnostics: Includes onboard LED indicators for both relay power and status

Armstrong International D24659 Thermostatic Operator 30067439-890 This 21-inch gray vertical drainThe Armstrong International D24659 (also identified by part number 6005639) is a heavy duty LV 4W Remote Wall Mounted Thermostatic Operator designed for precise temperature regulation in hydronic heating systems. This non electric thermostatic head features a remote wall mounted sensor and a liquid filled element, ensuring reliable valve actuation based on ambient room conditions rather than local pipe temperature. Built for compatibility with