Resideo 393690-15 Flange Kit

The Resideo 393690-15 Flange Kit is a critical field replacement component designed for seamless integration with V4043, V4044, V8043, and V8044 motorized zone valves. This 3/4" elbow flange assembly provides a secure, leak-proof connection in hydronic systems where tight piping configurations require a 90-degree transition. The kit includes a precision-molded replacement O-ring to ensure atmospheric sealing under high-pressure conditions, along with 9/64" hex screws and a matching 9/64" hex wrench for immediate installation. This assembly is functionally identical to the Resideo 393690-15/U, adhering to exact OEM tolerances for residential and light commercial hydronic heating applications. When servicing Resideo zone valves, utilizing this genuine 393690-15 flange kit bag assembly prevents bypass leakage and ensures the mechanical integrity of the valve body during high-head pressure cycles. Relying on these factory-spec components maintains HVAC system efficiency and simplifies the repair of Resideo valve manifold setups.

Key Benefits

• Ensures a high-integrity seal with the included precision Resideo O-ring to prevent system pressure drops.
• Supports versatile piping layouts in cramped mechanical rooms via the 3/4" elbow flange geometry.
• Complete flange bag assembly facilitates rapid field service by providing all necessary 9/64" fasteners and tools.
• Maintains full compatibility with V8043 series zone valves, ensuring no loss in flow coefficient (Cv) ratings.
• Direct replacement for the 393690-15/U, allowing for streamlined inventory management and part matching.

Common Questions

Is the 393690-15 compatible with the V8043G low-voltage zone valves?
Yes, this flange kit is designed to fit the standard body of the V8043, V4043, V4044, and V8044 series, regardless of the voltage or end switch configuration.

Does this kit include the required seal for the flange-to-valve body connection?
Yes, each assembly includes the specific Resideo O-ring required to create a watertight seal between the flange and the valve casting.

What is the difference between the 393690-15 and the 393690-15/U?
There is no functional or technical difference; the "/U" suffix simply denotes the retail-packaged version of the identical 3/4" elbow flange component.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.