Description
This 2 1/2" heater flange split nut assembly includes a gasket and features a 3 9/16" inside diameter design. The split nut component fastens to your heater tube via 2 mounting screws and threads directly onto the heater union with the included gasket positioned between union and tube. Compatible with 2" inside diameter heaters, making this the most widely used configuration for spa heating systems. Alternative sizes available include 1 1/2 x 1 1/2 (second most common) and 1 1/2" x 2 (third most common). Essential plumbing component for connecting heater tubes to heater unions in spa applications.
Specifications:
Union Part Type: Split Nut
Plumbing Connection Size "A": 2-1/2"
Plumbing Connection Type "A": Female Buttress Thread (fbt)
Plumbing Connection Size "B": 3-1/8"
Plumbing Connection Type "B": Large Flange (For Metal Housings)
Threaded Component Diameter Reference:
1" Pump Thread Outside Diameter: 2"
1" Pump Union Thread Inside Diameter: 1 13/16"
1 1/2" Heater Union or Pump Thread Outside Diameter: 2 7/16"
1 1/2" Heater Nut or Pump Union Inside Diameter: 2 5/16"
2" Heater Union or Pump Thread Outside Diameter: 3 1/16"
2" Heater Nut or Pump Union Inside Diameter: 2 15/16"
2 1/2" Heater Union or Pump Thread Outside Diameter: 3 11/16"
2 1/2" Heater Nut or Pump Union Inside Diameter: 3 9/16"
Application Note: Compatible with remote heater systems found in Blue Ridge, Jacuzzi Whirlpool and Gatsby Hot Tubs.
