EN121371E ELITE 1/2" Stainless Steel Aquastat Well – Replacement for Honeywell 121371E
The EN121371E ELITE Aquastat Well is a premium 1/2" NPT stainless steel immersion well engineered for precision and durability in hydronic heating systems. Designed as a direct replacement for Honeywell 121371E, this well provides superior corrosion resistance and long-lasting reliability, ensuring accurate sensor placement and optimal temperature control in demanding environments.
✅ Key Features
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Direct replacement for Honeywell 121371E aquastat well
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1/2" NPT threaded connection for secure installation
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Heavy-duty stainless steel construction – corrosion & wear resistant
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Precision fit ensures proper bulb placement & reliable sensing
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Built for long service life in residential & commercial systems
📊 Technical Specifications
| Feature | Details |
|---|
| Product Code |
EN121371E |
| Product Type |
Aquastat Well |
| Connection Size |
1/2" NPT |
| Material |
Stainless Steel |
| OEM Replacement |
Honeywell 121371E Aquastat Well |
⚙️ Common Symptoms of a Bad Aquastat Well
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Rust, scaling, or visible corrosion inside the well
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Difficulty inserting or properly securing the bulb
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Inaccurate or fluctuating temperature readings
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Reduced system performance or erratic cycling
🔄 Quick Reference Compatibility
❓ Frequently Asked Questions (FAQ)
Q: What makes stainless steel better than copper?
A: Stainless steel provides superior corrosion resistance, especially in systems exposed to aggressive water conditions.
Q: Will this fit the same applications as the Honeywell 121371E?
A: Yes, it is a direct OEM replacement.
Q: Does it come with the clamp assembly?
A: No, the clamp assembly is sold separately.
Q: Can it handle high-demand systems?
A: Yes — stainless steel construction ensures reliability in both residential and commercial hydronic heating applications.
