Description
Overview
The Bosch 374A (G334) is a 3/4″ pressure relief valve rated at 30 lb., engineered to provide reliable overpressure protection in residential and light commercial hydronic heating systems. Designed for consistent performance and long service life, this relief valve helps safeguard boilers, water heaters, and associated piping from potentially damaging pressure build-up.
Key Features
- 3/4″ connection size for straightforward installation on standard hydronic piping
- 30 lb. (PSI) pressure relief rating for accurate, dependable pressure management
- Durable construction designed to withstand the demands of hydronic heating applications
- Compact design for easy integration into existing systems
- Bosch quality engineering for long-term reliability
Applications
- Residential and light commercial boiler systems
- Hydronic heating systems
- Hot water heating equipment requiring overpressure protection
Specifications
- SKU: 374A
- Model: G334
- Connection Size: 3/4″
- Pressure Rating: 30 lb. (PSI)
- Brand: Bosch







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