Hoffman 401455 Model 41 Non-Vacuum Air Valve
Hoffman 401455 Model 41 Non-Vacuum Air Valve
Couldn't load pickup availability
TIPS Contract Vendor
We are an officially awarded purchasing cooperative vendor.
📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 401455 |
| Model Designation | Model 41 |
| Valve Type | Non-Vacuum Air Valve |
Efficiently vent unwanted air from your steam heating system with the high-performance Hoffman 401455 Model 41 air valve. Designed as a non-vacuum unit, this essential component prevents air binding in radiators and piping, ensuring your system maintains optimal heat distribution and energy efficiency. The Model 41 is recognized throughout the industry for its consistent reliability and long service life in residential and commercial steam applications.
This air valve operates by utilizing a precision-engineered internal float and seat mechanism. As the system heats, the valve allows air to escape through the vent port; once steam reaches the valve, the heat-sensitive element expands to close the port securely, preventing steam loss. This cyclic action ensures that the radiator remains filled with heat-transfer medium rather than air pockets that would otherwise compromise performance.
Key System Performance Baselines:
- Rapid Venting: Engineered for quick air evacuation to ensure faster radiator warm-up times.
- Positive Shut-off: Features a robust seating mechanism that reliably seals against steam to prevent leakage.
- Durable Construction: Built with industrial-grade materials to withstand the temperature and pressure fluctuations typical of steam heating environments.
⚠️ Application Profile: Ideal for one-pipe steam heating systems, standalone steam radiators, and various low-pressure heating circuits requiring consistent, reliable air removal.
