McDonnell & Miller 172809 | 150S-M-HD Head Mechanism with Manual Reset
Couldn't load pickup availability
Got questions? Ask an expert!
The McDonnell & Miller 172809 Model 150S-M-HD is a replacement head mechanism with a snap-action, manual reset switch. It repairs Series 150S and Series 157S combination low water cut-offs and pump controllers for steam boilers. This head mechanism allows a complete rebuild of the combination low water cut-off and pump controller without removing the casting from the piping.
Specifications
| Brand | McDonnell & Miller |
|---|---|
| MPN | 172809 |
| Model | 150S-M-HD |
| M&M series | Series 150S, Series 157S |
| UPC | 751875035962 |
| Alias | 150SMHD |
| Replaces | 173203 (Model 150-M-HD) |
| Weight (lb) | 9.88 |
| Dimensions (L × W × H) | 17" x 9.9" x 7.05" |
- SKU MM150-S-M-HD
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.