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37 Series Water Heater Vacuum Relief
Brand: Apollo ValvesApollo® Model VR Vacuum Relief Valves is designed to automatically vent a system should a vacuum occur.
It prevents siphoning of water from the system and/or tank collapse
Features- New Brass Poppet for Improved Strength
- Sizes ½” and ¾”
- Suitable for LP Steam (15 psig max)
- Auto Vacuum Relief at Less than ½” Vacuum
Specifications
Brand
Options
- Polished Chrome Finish
- Satin Brass Finish
- Heavy Spring
- ½" Threaded Connection
- ¾" Threaded Connection
Performance Rating
- Maximum Pressure: 200 psig
- Maximum Temperature: 250°F
Material
- Stainless Steel
- ASTM B16 Brass
- DZR C27541 Brass (Lead Free)
- EPDM
- Glass Filled Noryl
Approvals
- CSA 4.4/ANSI Z21.22 “Relief Valves for Hot Water Supply Systems”
- NSF/ANSI 372 Lead Free
