The Caleffi 535004 is REPLACEMENT CARTRIDGE X 5350-5351-1/2 in-3, a genuine Caleffi service part for AutoFill filling units and boiler trim systems.
Product data compiled from Caleffi North America technical documentation. Last reviewed July 2026.
FunctionService Part
Connection1/2 in
Warranty2 Years
Key Features
Genuine Caleffi Part
Factory component: REPLACEMENT CARTRIDGE X 5350-5351-1/2 in-3.
Direct Fit
Designed for the matching Caleffi AutoFill valve, combo or trim kit.
Technical Data
| Function | Filling unit service part |
|---|---|
| Connection | 1/2 in |
Documentation
Technical brochureRelated Products
Caleffi NA103631/4 in Service PartCaleffi NA113383/4 in Service PartCaleffi NA102731/8 in Service PartCaleffi 535051A3/4 in Auto Fill Valve
Frequently Asked Questions
What is the Caleffi 535004?
It is REPLACEMENT CARTRIDGE X 5350-5351-1/2 in-3, a genuine Caleffi replacement / service part.
What does it fit?
It is designed for the matching Caleffi AutoFill filling valve, combo or trim kit. Confirm the model before ordering.
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:
- 1/2 in
