Description
The Bell & Gossett 113055 is a #4 Coin Operated Air Vent designed for manual air release in hydronic heating and cooling systems. Trapped air in a hydronic loop causes noise, reduced heat transfer, and circulator pump inefficiency — this reliable air vent provides a simple, effective solution for purging unwanted air from the system at any time.
Product Overview
The coin-operated (manual) design allows technicians and building operators to release trapped air on demand by turning the coin-slot vent cap with a standard coin. This makes it ideal for use during system commissioning, startup, and routine maintenance. The #4 designation refers to the vent’s size and flow capacity, making it well-suited for a wide range of residential and light commercial hydronic applications.
Key Features
- Coin-operated manual air vent for on-demand air purging
- Bell & Gossett #4 size for versatile hydronic system compatibility
- Simple coin-slot cap design — no special tools required
- Durable construction engineered for long-term hydronic service
- Ideal for use during system startup, commissioning, and maintenance
- Compatible with hot water heating and chilled water hydronic systems
Applications
- Residential and light commercial hydronic heating systems
- Chilled water air conditioning loops
- Boiler system piping and distribution headers
- High points in hydronic piping where air tends to accumulate
Why Choose Bell & Gossett?
Bell & Gossett is a trusted industry leader in hydronic system components, known for engineering products that deliver reliable performance and long service life. The 113055 air vent upholds that tradition, providing a cost-effective, maintenance-friendly solution for keeping hydronic systems free of performance-robbing air pockets.
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