Lochinvar 100208653 Flow Switch
Ensure precise flow detection and reliable equipment operation with the Lochinvar Flow Switch. Designed for industrial and commercial applications, this switch activates or deactivates electronically operated systems when flow or no-flow conditions are detected.
✅ Key Features
-
✅ Compatible with Taco IFS01BL-S1
-
✅ Replaces WTR2040K, 100173696, and WTR2040
-
✅ Flexible paddles for 1–4 inch pipe sizes
-
✅ 316 stainless steel paddles for long-lasting durability
-
✅ Brass bushing for smooth operation and wear resistance
-
✅ NEMA 1 rated enclosure for basic indoor protection
-
✅ Reliable electronic activation for pumps, valves, and other equipment
📊 Specifications
| Feature | Specification |
| Model |
100208653 |
| Type |
Flow Switch |
| Compatible Model |
Taco IFS01BL-S1 |
| Replaces |
WTR2040K, 100173696, WTR2040 |
| Paddle Size |
1–4 inch flexible |
| Paddle Material |
316 Stainless Steel |
| Bushing Material |
Brass |
| Enclosure Rating |
NEMA 1 |
| Function |
Electrically actuates equipment on flow/no-flow detection |
⚠️ Common Symptoms
Your system may require a replacement flow switch if you notice:
-
Equipment not starting or stopping when flow changes
-
Inconsistent or delayed response from pumps or valves
-
Mechanical wear or damage to the paddles or bushing
-
Corrosion or leakage around the switch assembly
❓ Frequently Asked Questions (FAQ)
Q: What pipe sizes does this flow switch accommodate?
A: It works with 1–4 inch pipes using flexible stainless steel paddles.
Q: Can this switch be used outdoors?
A: No, it is NEMA 1 rated, which is suitable for indoor, protected environments only.
Q: What models does this replace?
A: WTR2040K, 100173696, and WTR2040.
Q: What is the paddle material?
A: Durable 316 stainless steel for long-lasting performance.
🛒 Shopping Tips
-
Confirm your pipe size (1–4 inch) before ordering
-
Check that your application requires indoor use (NEMA 1)
-
Ensure compatibility with electronically operated pumps or valves
-
Inspect the paddles and bushing during installation to avoid mechanical interference