Hoffman 401437 - Model 75H Non-Vacuum Air Valve
Hoffman 401437 - Model 75H Non-Vacuum Air Valve
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Maintain optimal hydronic system efficiency by effectively removing trapped air from your heating installation with the Hoffman 401437 Model 75H air valve. This non-vacuum venting device is engineered to provide consistent and reliable operation in diverse hot water heating applications, ensuring your system runs quietly and effectively without the risk of air binding.
The 401437 utilizes a precise float-operated mechanism that automatically vents air from radiators and piping systems while the system is under pressure. As air collects in the valve chamber, the internal float drops, opening the vent port to release the air, then reseals once water rises to the vent port, preventing leakage while maintaining a closed-loop environment.
Key System Performance Baselines:
- Automatic Venting: Ensures continuous removal of accumulated air during operation.
- Reliable Construction: Built to Hoffman standards for long-lasting performance in hydronic circuits.
- Consistent Operation: Designed specifically for non-vacuum applications to maintain system pressure.
⚠️ Application Profile: Primarily used in residential and commercial hot water heating systems, baseboard radiators, and convectors to prevent noise and ensure efficient heat transfer.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 401437 |
| Model Designation | 75H |
| Venting Type | Non-Vacuum |
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