# Caleffi Automatic Filling Valve Backflow Prevention Pre-Set 1/2" Press Union Inlet X 1/2" Inside Npt Outlet 573007A

**Brand:** [Caleffi](https://shop.coreranger.com/brands/Caleffi)
**SKU:** 573007A
**Price:** $300 · in stock
**URL:** https://shop.coreranger.com/product/caleffi-automatic-filling-valve-backflow-prevention-pre-set-1-2-press-union-inlet-x-1-2-inside-npt-o-700052052

## Specifications

| Spec | Value |
|---|---|
| Model # | 573007A |
| Pack Size | 1 |
| Internet # | 700052052 |
| Returnable | 90-Day |
| Store SKU # | 1015899318 |
| HVAC Product Type | Backflow Preventer |
| Manufacturer Warranty | 90 day parts warranty. |

## Description

The Caleffi 573007A Automatic Filling Valve features a 1/2" press union inlet and 1/2" female NPT outlet with a backflow preventer to maintain system pressure and prevent reverse flow in HVAC systems. It is pre-adjustable for precise installation.