Description
The Watts S1450F (SKU 0388800) is a 1/2″ dual-control combination unit that integrates a pressure regulating valve and a pressure relief valve into a single, space-saving assembly. Designed for hydronic heating systems, boiler installations, and plumbing applications, this unit simplifies system design and reduces the number of individual components required for safe, code-compliant operation.
The unsweat (union sweat) connection style allows for straightforward installation and easy field serviceability — the union fittings enable technicians to remove and replace the valve body without cutting or disturbing the surrounding piping, saving valuable time during maintenance or system upgrades.
Key Features
- Combination dual-control design: pressure regulator and relief valve in one compact body
- 1/2″ unsweat (union sweat) connections for easy installation and serviceability
- Regulates incoming supply pressure to protect downstream system components
- Integrated relief valve provides automatic overpressure protection
- Compact, all-in-one assembly reduces installation time and fitting count
- Ideal for residential and light commercial hydronic heating systems and boiler applications
- Manufactured by Watts — a trusted name in flow control and water quality products
Specifications
- Brand: Watts
- Model: S1450F
- SKU: 0388800
- Connection Size: 1/2″
- Connection Type: Unsweat (Union Sweat)
- Function: Dual Control — Pressure Regulator & Relief Valve
Applications
- Hydronic heating systems
- Residential and light commercial boiler installations
- Closed-loop heating circuits requiring pressure regulation and overpressure protection
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