McDonnell & Miller 176234 | LWCO Man Hot Water
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McDonnell & Miller model number 751P-MT-120 is an electronic low water cut-off control unit, with built-in PA-800 probe, for use on hot water boilers and as secondary protection on steam boilers. This cut-off unit is 120 volt and features a manual reset and test switch.
Specifications
| Brand | McDonnell & Miller |
|---|---|
| MPN | 176234 |
| Model | 751P-MT-120 |
| Application | Hot Water Boilers, Steam Boilers |
| Connection size | 3/4" |
| Control connection | NPT |
| Max steam pressure | 15 psi |
| Max water pressure | 160 psi |
| Max water temp | 250°F |
| Max ambient temp | 135°F |
| Installation method | Direct to Boiler Tappings |
| Control reset | Manual |
| Enclosure | NEMA 1 |
| Ohms sensitivity | 20,000 ohm |
| UPC | 751875045107 |
| Replaces | 750P-MT-120 |
| Weight (lb) | 2.91 |
| Dimensions (L × W × H) | 6.25" x 7.9" x 3.3" |
- SKU MM751P-MT-120
Most in-stock items ship within 1–3 business days. Once shipped, you will receive a confirmation email with tracking. Special-order items or items shipped from partner warehouses may require additional processing time. Orders ship via UPS or USPS depending on the item and destination. If you need a specific carrier, please contact us before placing your order.