McDonnell & Miller 155100 | Low Water Cut-Off with 3-1/8" Insertion Length
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The McDonnell & Miller 155100 Model 169 is a mechanical built-in low water cut-off with a 3-1/8" insertion length. It features a 2-1/2" NPT male threaded connection and a No. 11 switch control for dependable operation of the low water cut-off and an alarm. The maximum pressure is 20 psi. The switch features an automatic reset and operates on either a 24-volt, 120-volt, or 240-volt power supply. The Series 69 low-water cut-offs are designed for residential and commercial low-pressure boiler applications of any steam capacity.
Specifications
| Brand | McDonnell & Miller |
|---|---|
| MPN | 155100 |
| Model | 169 |
| M&M series | Series 69 |
| Application | Steam Boilers |
| Connection size | 2-1/2" |
| Control connection | NPT |
| Installation method | Direct to Boiler Tappings |
| Voltage | 24V, 120V, 240V |
| Control reset | Automatic |
| Control switch | No. 11 |
| Max boiler pressure | 20 psi |
| UPC | 751875003282 |
| Weight (lb) | 4.15 |
| Dimensions (L × W × H) | 10.75" x 4.3" x 4.15" |
- SKU MM169
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.