🧊 Reznor 210764 Low Temperature Oil Switch 140°F
(Honeywell Part Number 2455RBV81170362 – Replaces 124038)
The Reznor 210764 Low Temperature Oil Switch ensures reliable, precise temperature control for oil-based heating systems operating in cold environments. Built for durability and accuracy, it prevents overheating or underheating to maintain system efficiency and performance.
✅ Key Features
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✅ Precise 140°F temperature control for efficient oil heating management
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✅ Reliable in low-temperature environments, ensuring consistent operation
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✅ Durable, corrosion-resistant construction for long service life
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✅ Compatible with multiple Reznor heating systems
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✅ Easy installation and quick replacement of OEM parts
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✅ Enhances energy efficiency and system longevity
📊 Specifications
| Specification | Detail |
|---|
| Manufacturer |
Reznor |
| OEM Part Number |
210764 |
| Alternate / Honeywell PN |
2455RBV81170362 |
| Temperature Rating |
140°F |
| Switch Type |
Low Temperature Oil Switch |
| Replaces |
124038 |
| Application |
Furnace & Heater Temperature Regulation |
| Material |
High-Temperature-Resistant Metal Body |
| Mounting |
Standard Threaded Connection |
| Operating Environment |
Low-Temperature / Cold Climate Systems |
🔁 Cross Reference Table
| Manufacturer | Part Number | Description |
|---|
| Reznor |
210764 |
Low Temperature Oil Switch 140°F |
| Honeywell |
2455RBV81170362 |
Equivalent OEM Oil Temperature Switch |
| Reznor (Old PN) |
124038 |
Superseded Part Number |
⚠️ Common Symptoms of a Faulty Oil Switch
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System fails to reach optimal temperature
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Erratic heating cycles or short cycling
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Burner lockouts due to temperature sensor failure
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Cold air output despite system activation
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Overheating or safety shutdowns
💬 Frequently Asked Questions (FAQ)
Q: What is the temperature setting for this switch?
A: It activates at 140°F, designed for precise oil temperature regulation.
Q: Is it compatible with older Reznor models?
A: Yes, it replaces Reznor 124038 and is fully interchangeable with systems using Honeywell 2455RBV81170362.
Q: Can this part operate in extremely cold areas?
A: Absolutely — it’s engineered for low-temperature reliability, ideal for industrial and commercial heating systems.
Q: How difficult is it to install?
A: The switch features standard mounting threads and can be installed easily with basic tools.
🛒 Shopping Tips
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Always match the part number (210764) before ordering.
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Ideal for Reznor oil furnaces and commercial heaters.
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Keep a spare on hand for maintenance in cold climates.
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Compatible with Honeywell 2455RBV81170362 and Reznor 124038.
