Trending MCDONNELL & MILLER 51S-2-HD Replacement Head W/ Cutoff For 51S 136200
Original price was: $2,144.74.$857.90Current price is: $857.90.
The McDonnell & Miller 51S-2-HD is a high-quality replacement head with cutoff, designed for precise monitoring and control in heating systems. Engineered to fit the 51S model, this product ensures reliable operation and long-lasting functionality in demanding environments.
- Easy integration with 51S model 136200
- Robust design for extended durability
- Optimal performance in HVAC systems
Product Highlights
This replacement head is specifically designed to meet the stringent requirements of HVAC professionals, providing a dependable solution for system maintenance and upgrades.
Product Information
Standard Information
- Brand: McDonnell & Miller
- MPN: 51S-2-HD
Technical Specifications
- Use Case: Fits McDonnell & Miller model 136200, 51S-2
- Category: Cooling Equipment Relays
- Material: High-quality components
- Country of Origin: United States





