Description
Product Overview
The York S1-1TVM4H1 is a genuine OEM replacement thermal air temperature control valve engineered for high‑performance HVAC systems. Constructed from a robust blend of brass, bronze, and stainless steel, this valve offers superior corrosion resistance and long‑term durability. Measuring 8 x 9 x 9 inches and weighing just over 2 pounds, it fits seamlessly into existing installations while maintaining precise temperature regulation.
Usage
Designed for both automotive and residential HVAC applications, this valve excels in environments that demand consistent climate control, such as vehicle cabins, home heating units, and commercial ventilation systems. Its straightforward, tool‑free installation makes it suitable for professional mechanics and DIY enthusiasts alike. 
Why Choose Us
York has a longstanding reputation for innovation and quality in the HVAC industry. By selecting this genuine OEM part, you ensure compatibility, safety, and optimal performance without compromising on reliability. Manufactured in the United States, the valve adheres to strict quality standards, providing peace of mind and extending the lifespan of your climate control system.
Key Features
- Premium brass, bronze, and stainless steel construction for durability
- Exact OEM fit guarantees seamless integration
- Easy, tool‑free installation reduces service time
- Provides accurate temperature regulation for comfort
- Made in the USA with rigorous quality control
FAQ
Is this valve compatible with all York HVAC models?
The S1-1TVM4H1 is designed to replace the original York thermal valve in most standard York HVAC units. Verify your model number to ensure compatibility.
Do I need any additional tools or parts for installation?
No additional tools or batteries are required. The valve comes as a complete replacement part ready for direct installation.
What is the warranty coverage?
This product is sold without a warranty; however, York’s reputation for quality provides confidence in its long‑term performance.
Can I install this valve myself?
Yes, the valve is designed for easy installation by both professionals and experienced DIY users. Follow the included instructions for best results.
Where is the valve manufactured?
All York replacement valves, including the S1-1TVM4H1, are manufactured in the United States, adhering to strict industry standards.





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