CMP Generic Raypak Heater Half Union With O Ring [2" Slip] [Qty 2] (21063 801 000) tecmarkcorp A correctly matched bezel adapter A correctly matched bezel adapter helps the control area feel complete and helps avoid the visual awkwardness that can happen when a replacement panel does not naturally align with the opening it is going into Supports faceplate alignment The CMP generic heater half union set is designed for compatible Raypak style heater applications where 2 inch slip replacement unions are needed A half union with O ring is useful because it helps create a serviceable heater connection while supporting dependable sealing at the plumbing interface