This product is manufactured to Fit Pentair Pool and Spa Heaters. This is not a Pentair OEM product. This is a high-quality replacement from Wholesale Sensors. Any use of the Manufacturers brand name, part numbers or model designation for this product is made solely for purposes of demonstrating and for identification compatibility and are displayed for descriptive purposes only. Use of them does not associate with, imply any affiliation or endorsement by any manufacturer.