⚙️ 610102 HARTELL REPLACEMENT SWITCH – LTA-1 MODEL
The Hartell 610102 Replacement Switch (Robertshaw P/N 300738-1250) is a genuine OEM replacement designed for Hartell LTA-1 condensate and utility pumps manufactured on or after November 1, 2005. It provides reliable switching performance and long service life under demanding HVAC and plumbing applications.
✅ Key Features
✅ Genuine Hartell OEM replacement switch
✅ Designed specifically for LTA-1 series pumps (post 11/1/2005)
✅ High electrical load ratings for dependable pump operation
✅ N.O. (Normally Open) contact configuration for controlled switching
✅ Supports 125V and 250V AC operation
✅ Compact, durable construction for long-term reliability
⚠️ Compatibility Notice
This 610102 switch fits Hartell LTA-1 pumps manufactured on or after November 1, 2005.
⚠️ If your pump was built before 11/1/05, this switch will not retrofit older designs.
Always verify your pump’s manufacturing date and model tag before ordering.
📊 Specifications
| Attribute | Detail |
| Model / Part Number |
610102 |
| Alternate Part Number |
Robertshaw 300738-1250 |
| Switch Type |
N.O. (Normally Open) |
| Compatible Pump |
Hartell LTA-1 Series |
| Pump Compatibility Date |
11/1/2005 and newer |
| AC Contact Rating |
13.8A @ 125 VAC |
| Alternate Rating |
10A @ 250 VAC |
| Motor Load Rating |
3/4 HP @ 125/250 VAC |
| Application |
Condensate and Utility Pumps |
| Brand |
Hartell |
❓ Frequently Asked Questions
Q: What pumps does this switch fit?
A: This replacement switch fits Hartell LTA-1 series pumps manufactured on or after 11/1/05.
Q: Will this work on older pumps?
A: No — it will not retrofit pumps made before November 1, 2005.
Q: What are the electrical ratings?
A: 13.8A @ 125 VAC, 10A @ 250 VAC, and 3/4 HP @ 125/250 VAC.
Q: What type of switch contact does it use?
A: Normally Open (N.O.), meaning the circuit closes when the pump activates.
🛒 Shopping Tips
✔ Check your pump’s model and manufacture date before purchasing.
✔ Use only genuine Hartell OEM parts for proper fit and safety.
✔ When replacing, ensure all electrical connections are secure and moisture-protected.
✔ If unsure, consult a certified technician for installation.