The 23421B Thermal Relief valve is a 3/8 MPT 145 Degree relief valve that was used any many types and bands of pressure washers and will replace the 16848, E104812 hermal relief valve that was manufactured by Control Devices.
The 23421B 3/8 MPT Thermal Relief Valve is preset to release water to help cool the pump at 145 degree's F.
This 3/8 MPT thermal relief valve was used on all of the Oil Free Bi-Radial pumps that were made by DeVilbiss and Ex-Cell on various pressure washers.
The 23421B Thermal relief valve is typically located on the opposite side of the fresh cold water intake on many pressure washer pump.
The 23421B Thermal Relief Valve was used on the following model number of pressure washer:
DeVilbiss Pressure Washer Models:
2221SCVH Type 02221SCVH Type 12221SCVH Type 22225CWH Type 02225CWH Type 1
Sears Craftsman Pressure washer models:
919-67210 Type 0919-67219 Type 0919-67224 Type 0919-67224 Type 1
Delta Pressure Washer Models:
D2300B Type 0DT2400CS Type 0DT2400CS Type 0
Ex-Cell Pressure Washer Models:EXHA2425 Type 0EXHA2425 Type 1EXHA2425 Type 2EXHA2425 Type 3EXHA2425-WK Type 0EXHA2425-WK Type 1EXPRO2530 Type 0EXVRB2321 Type 0EXVRB2321 Type 1MH5500H Type 0MVR2250 Type 0
Porter Cable Pressure Washer Models:PCE1700 Type 0PCE1700 Type 1PCH2600C Type 0PCH2600C Type 1PCV2021 Type 0PCV2021 Ty
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