The Caleffi NA10273 is a replacement pressure gauge, 0-100 psi scale with 1/8 in connection, for AutoFill filling valves and combos, restoring at-a-glance indication of system fill pressure.
Product data compiled from Caleffi North America technical documentation. Last reviewed July 2026.
FunctionService Part
Connection1/8 in
Warranty2 Years
Key Features
0-100 psi Scale
Reads system fill pressure across the range used by AutoFill valves and combos.
Direct Replacement
Restores the factory gauge on gauge-equipped AutoFill models.
At-a-Glance Verification
Confirms the set fill pressure without attaching test equipment.
Technical Data
| Function | Filling unit service part |
| Connection | 1/8 in |
| Pressure gauge scale | 0-100 psi |
Documentation
Technical brochureRelated Products
- Caleffi NA10363 1/4 in Service Part
- Caleffi 535004 1/2 in Service Part
- Caleffi NA11338 3/4 in Service Part
- Caleffi 535051A 3/4 in Auto Fill Valve
Frequently Asked Questions
Which valves does the NA10273 fit?
Gauge-equipped Caleffi AutoFill filling valves and combos - it is the factory replacement gauge.
What is the scale?
0-100 psi, with a 1/8 in connection.
2-Year Limited Warranty. Backed by Caleffi North America's limited warranty against defects in material and workmanship for two years from date of shipment. See Caleffi's limited warranty for full terms.
- Type:
- Accessory
- Connection Size:
- 1/8 in
