Value Packed Four Pack Brass Automatic Float Valve Three Quarter Inch Male NPT Thread Air Release Bleeder Vent Valve Diaphragm Pipe Fitting Adapter For Hot Water Radiators Boilers HVAC Exhaust Systems

Four-Pack Brass Automatic Float Valve for Heating
✔️ Brass, 3/4 in NPT, 150 PSI max, 4-pack vent set

This value-packed four-pack uses 3/4 inch brass automatic float valves to vent trapped air in hot water radiators, boilers, and HVAC systems. It’s ideal for supplying multiple units or keeping spare replacements on hand for steady performance.

✅ Material: brass, corrosion resistant for high-temp heating systems
✅ Thread: 3/4 in male NPT for wide compatibility
✅ Pressure rating: up to 150 PSI daily operation
✅ Water-separating disc prevents water escape while venting
✅ Pack includes four valves for multi-unit installation or replacements

💡 What is a brass automatic float valve used for in heating systems? This handy air vent helps remove trapped air and keep hot water radiators and boilers running efficiently.
- Removes trapped air from closed heating loops.
- 3/4 inch male NPT thread fits most common fittings.
- Water-separating disc minimizes water loss during venting.
- Brass construction resists corrosion in high-heat environments.