Description
Automatic Room-by-Room Temperature Control for Hydronic & Steam Systems
The Resideo V2040DSL25 is a precision-engineered thermostatic radiator valve designed to deliver automatic temperature regulation in hydronic and one-pipe steam heating systems. Its 1-inch NPT straight body configuration makes it a natural fit for inline piping applications, including baseboard installations and straight radiator connections. By continuously sensing ambient room temperature and modulating hot water or steam flow accordingly, this valve maintains consistent comfort while helping reduce energy consumption — all without requiring any electrical connections or wiring.
Durable Construction Built for Long-Term Reliability
Constructed with a nickel-plated bronze body, the V2040DSL25 offers excellent corrosion resistance and lasting durability in demanding hydronic environments. A replaceable internal cartridge simplifies routine servicing, minimizing downtime and keeping maintenance costs low. Designed for use with T100 series and compatible thermostatic actuators, it provides straightforward integration into existing or new heating systems.
Key Features
- 1-inch NPT threaded straight body — ideal for inline baseboard and radiator installations
- Automatically regulates flow to maintain consistent room temperature and comfort
- Compatible with T100 series thermostatic control heads
- Suitable for hot water and one-pipe steam heating systems
- Nickel-plated bronze body for superior durability and corrosion resistance
- Replaceable internal cartridge for simplified servicing and reduced maintenance costs
- Approximate 2.7 Cv flow capacity for efficient and reliable heat delivery
- No electrical connections required — fully self-contained thermostatic operation
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