# Caleffi Automatic Air Vent Check Valve 1/8" Outside NPT Robocal 502710A

**Brand:** [Caleffi](https://shop.coreranger.com/brands/Caleffi)
**SKU:** 502710A
**Price:** $28.88 · in stock
**URL:** https://shop.coreranger.com/product/caleffi-automatic-air-vent-check-valve-1-8-outside-npt-robocal-502710a-700050930

## Specifications

| Spec | Value |
|---|---|
| Model # | 502710A |
| Internet # | 700050930 |
| Returnable | 90-Day |
| Store SKU # | 1015841119 |
| HVAC Product Type | Relief Valve |
| Product Width (in.) | 1.75 in |
| Product Height (in.) | 1.75 in |
| Manufacturer Warranty | 90 day parts warranty. |
| Brand/Model Compatibility | Caleffi |

## Description

The Caleffi 502710A ROBOCAL Automatic Air Vent with Check Valve features a 1/8" outside NPT connection and automatically purges trapped air while preventing backflow to help maintain steady HVAC system circulation.