2" Heater Flat O Ring / Ridged Gasket - Pair

2" heater flat o-ring pair
Combination gasket and o ring in one for superior seal - installed each end of the heater tube 
This is the common size used in almost all stainless steel heaters.

Can be used on many brands with similar mounting - suits: 
Gecko, Hydroquip, Balboa, Aquatemp, RMF, Joyonway, etc 

Does not suit Spa-Tech heater tubes.

Sold as a pair Gasket side - outside diameter - 73mm, inside diameter - 54mm O-ring side - diameter of raised ring centre to centre - 63mm