Balboa M7 Heater Gasket - O Ring (1 Unit Only)

Genuine Balboa gasket set for the Balboa M7 hot tub heater and select other brands of spa heaters. Gaskets are flat on one side and have the rib on the other side.

Details:

• Balboa P/N: 21619

• Genuine Balboa part

• Outside diameter: 2-7/8"

• Inside diameter: 2-1/8"

• Width: 7/16"

• Thickness: 3/16:

Compatible with the following hot top heaters:

• Balboa BP, VS and EL series M7 4.0kw heater

• Balboa BP, VS and EL series M7 5.5kw heater

• Gecko XE and Y series Heat.Wav 4.0kw heater

• Gecko XE and Y series Heat.Wav 5.5kw heater

• Gecko S-Class 4.0kw heaters

• HydroQuip 48-9120-7P-K heater for Arctic Spas

• HydroQuip 4891237TK heater for Arctic Spas

• HydroQuip 48-9121-7S-K heater for Arctic Spas

• Therm Products 2550-5350 heater for Arctic Spas