| Application: | Replacement Part |
|---|---|
| Used With: | 150S Series |
| Features: | Snap Switch |
Yes, that switch Assy is SKU:310462
No, unfortunately the float mechanism is available only on the complete head assembly replacement.
HD stands for head. It simply means that the only the head unit is included and is exactly as shown in the graphic. <http://www.pexsupply.com/Mcdonnell-Miller-173003-150S-HD-Head-Assembly-for- 150-series-Snap-Switch> http://s3.pexsupply.com/images/products/large/mcdonnellmiller150s-hd.jpgD It is used as a replacement for an existing switch assy. It does not include the round casting that the 150S-HD flange bolts to which would be required in a new boiler installation.