Danfoss 015G-4290 Operator

The Danfoss 015G-4290 RA2000 thermostatic operator is a high-performance radiator valve actuator designed for precise temperature regulation in two-pipe heating systems. Engineered for durability, this Danfoss RA2000 head utilizes a vapor-charged bellows to provide a fast response time to ambient temperature fluctuations. It features a built-in sensor and a specialized snap-lock connection, ensuring a secure and tool-free installation on RA series valve bodies. For commercial and residential contractors, this operator is the standard for balancing hydronic circuits, offering themarstatic radiator valve (TRV) reliability that minimizes overheating and reduces energy consumption. The technical design includes a temperature range of 45-86°F (7-30°C) and integrates a tamper-resistant limit stop, allowing technicians to lock or restrict the setpoint range to maintain system balance across multi-unit facilities. This unit is compatible with RA 2000 series valves, providing a robust solution for retrofitting outdated manual valves with automated precision control.

• Vapor-Filled Bellows: Ensures rapid reaction to internal heat gains, maintaining tighter setpoint tolerances than liquid or wax actuators.
• Snap-Lock Mechanism: Facilitates high-speed installation and maintenance, eliminating the need for specialized tools on the job site.
• Limit/Lock Features: Allows for field-commissioned setpoint limiting, preventing end-user adjustments from disrupting hydronic balance.
• Frost Protection: Includes a dedicated setting to prevent coil freeze-up in unoccupied spaces during extreme cold events.

Is the Danfoss 015G-4290 compatible with non-Danfoss valves?
This operator is specifically engineered for the Danfoss RA series valve bodies and may require an adapter for use with older or third-party valves.

Can the sensor be mounted remotely?
No, the 015G-4290 features a built-in sensor. If the valve is located behind a curtain or in an enclosure, a remote sensor model like the 013G2952 should be utilized instead.

What is the purpose of the vapor charge?
The vapor charge provides a faster thermal response than liquid-filled sensors, which is critical for preventing temperature overshoot in high-mass radiator systems.

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.