Rheem Muffler Kit #83-21817-81 - Replacement Muffler for Water Heaters & HVAC Systems | Quiet Operation, Easy Installation | Perfect for Home & Commercial Use

Muffler 1/2 Sweat Kit 83-21817-81 Technical Data » Shell Type: Steel Max. Working Pressure (psig): 680 Refrigerant Type: HFC - R-410A Refrigerant Type: HCFC - R-22 Connection Size (in.): 1/2 Connection Type: Sweat ODF Overall Length (in.): 6 System Cutout Length (in.): 5 Body Diameter (in.): 3 Check Valve Included?: No Muffler Installation Instructions Replaces: AE-57992-04, AE-57992-06, AE-57099-01, 83-20438-84, AE-57099-03, 83-21817-01, AE-57099-02, AE-59402-01, 83-20438-05, 83-20438-01, AE-57099-05, 83-20438-03, 83-20438-04, 83-20438-06, AE-59402-02, AE-57099-06, 5202-5507, 5202-5506, 5202-5505, 83-20438-02