Easy
15-30 minutes
This genuine replacement pressure switch is designed for Campbell Hausfeld air compressors. It is sourced directly from original equipment manufacturer and it is sold individually. The purpose of a pressure switch is to control when the compressor should start and stop building up pressure. If it is leaking air the pressure switch should be replaced for a compressor to operate as intended. The default setting of this pressure switch are 105psi on and 140psi off.
To complete this repair you will need a wrench set, a nut driver set and a thread-sealing tape.
• Shut off the electricity and drain the air tank
• Remove the tank pressure gauge
• Remove the pressure switch tube
• Remove the pressure regulator assembly
• Disconnect the wires
• Remove the safety valve
• Install the new pressure switch
• Reinstall the safety valve
• Connect the wires
• Reinstall the pressure switch tube
• Screw the pressure gauge onto the new pressure switch and tighten the gauge firmly
• Test the air compressor
Pressure Switch 105/140 Mdr11 CW212201AV-S
OEM part for: Campbell Hausfeld
Part Number: CW212201AV-S
Order within the next 2 hours and your part ships today! 
Product Description ?
- Classification: Part
- Weight: 0.70 lbs.
- Shipping: Ships Worldwide
Compatibility
This Pressure Switch 105/140 Mdr11 will fit the following 15 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Campbell Hausfeld
Show More Compatible ModelsThis item works with the following types of products:
- Compressor Parts
This part replaces obsolete part #: CW212201AV, CW212200AV
Customer Part Reviews ?
- 1
Questions & Answers ?
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Off on switch broken
Tool Type
Compressor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Adjustable Wrench, small pipe wrench
Parts Used
Pressure switch wouldn't shut off
Tool Type
Compressor
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Wrench Set, Adjustable Wrench, wire stripper/crimper
Parts Used
And power cords. Removed pressure switch , and installed new
Switch.
Upright compressor would not turn-on. Power was present on input side of switch but not on output side.
Tool Type
Compressor
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Wrench Set, solder iron and solder
Parts Used
Removed relay/pressure switch from unit and removed hoses going to tank, gauges and pump.
Re-strip ends of 4 wires, thinned them and inserted into new switch.
Plug hoses back in to captive ports and mount pressure switch.
Plug unit back into wall and power on.
Pressure switch defective
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Adjustable Wrench
Removed pressure switch from tank.
Installed replacement pressure switch.
Added pressure gauge safety valve and unloader hose to switch.
Connected electrical wiring.
Unit shipped with faulty pressure switch
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set, Nutdriver, Teflon tape
Parts Used
2. Installed empty port plug
3. Mounted pressure switch
4. Hooked up pressure release line
5. Hooked up wiring
6. Tested and adjusted for proper operation
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Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
