# Caleffi Automatic Filling Valve Pressure Gauge & Backflow Preventer Pre-Set 1/2" Inside Npt Union Inlet X 573016A

**Brand:** [Caleffi](https://shop.coreranger.com/brands/Caleffi)
**SKU:** 573016A
**Price:** $339.98 · in stock
**URL:** https://shop.coreranger.com/product/caleffi-automatic-filling-valve-pressure-gauge-backflow-preventer-pre-set-1-2-inside-npt-union-inlet-700046591

## Specifications

| Spec | Value |
|---|---|
| Model # | 573016A |
| Pack Size | 1 |
| Internet # | 700046591 |
| Returnable | 90-Day |
| Store SKU # | 1015891571 |
| HVAC Product Type | Backflow Preventer |
| Product Depth (in.) | 11.5 in |
| Product Width (in.) | 6.75 in |
| Product Height (in.) | 2.5 in |
| Product Weight (lb.) | 3.6 lb |
| Manufacturer Warranty | 90 day parts warranty. |
| Brand/Model Compatibility | Caleffi |

## Description

The Caleffi 573016A Automatic Filling Valve includes a backflow preventer and pressure gauge, featuring a pre-adjustable design with 1/2" inside NPT union inlet and outlet connections for HVAC system pressure maintenance and reverse flow protection.