Description
Product Summary
The McDonnell & Miller 150S-M-HD is a replacement part from McDonnell & Miller, described by the manufacturer as: head mechanism with man reset 172809. It replaces 150-M-HD Used To Be 173203.
This replacement part is used to service HVAC, boiler or water heating equipment. Match the part number to the original part or the equipment's repair parts list. Replace it when the original part is damaged, worn or missing.
Before you order, match 150S-M-HD to the part number on the part you are replacing or in your equipment's repair parts list, and confirm the voltage, size and connections match your equipment. If you are not sure which part your equipment needs, call us at 1.888.509.3391 with the model and serial number and we will confirm it for you.
Key Features
- Genuine McDonnell & Miller part: Manufacturer part number 150S-M-HD, factory new.
- Cross-reference: Replaces 150-M-HD Used To Be 173203.
- Part type: Replacement Part.
- Ready to ship: In stock with live quantities shown on this page.
Frequently Asked Questions
Is this a genuine McDonnell & Miller part?
Yes. This is the McDonnell & Miller 150S-M-HD, a factory-new replacement part from McDonnell & Miller.
How do I make sure it fits my equipment?
Compare 150S-M-HD with the part number printed on the part you are replacing or listed in your equipment's repair parts list, and confirm the voltage and connections match. If you are not sure, call us at 1.888.509.3391 with your model and serial number and we will confirm it.
What part numbers does the 150S-M-HD replace?
The McDonnell & Miller 150S-M-HD replaces 150-M-HD Used To Be 173203.
Should a professional install this part?
Yes. Gas, electrical, hydronic and combustion components should be installed by a qualified technician who can test the system afterward and follow the codes that apply where you live.
