What does the 'BL' designation signify in the part number

Designed for 220/250Vac systems

This genuine OEM Trane replacement part features a 24V coil and a 3-pole configuration

It is essential to ensure the cable is crimped correctly to avoid "No Sensor" or "No TEC" error codes on the display

it features high-grade internal windings to manage thermal load during continuous duty cycles

Grundfos 00519651 Flange Set Refrigerant What does the 'BL' designationThe Grundfos 00519651 Flange Set is a professional grade 3 4 inch bronze flange kit engineered specifically for residential and light commercial hydronic systems. Designed for seamless integration with Grundfos UPS15 and UPS26 series circulator pumps, these flanges provide a corrosion resistant connection point for open loop systems where potable water oxygenation is a factor. Utilizing high quality bronze construction, this set ensures long term