Heaters R185-405, 206-406, 207-407 O-Ring Gaskets - Set of 2 reagent-size_1/2 oz This plug has an 8-1/4

This plug has an 8-1/4 inch rod with 4-3/4 inch spacing between plugs

The Pro Series 300 features a fully digital timer and refined dosing increments for more precise control

This is a replacement Transport Cart which is designed to fit a Pentair AquaTram Light pool lift

208/230/460 Volts

(5) hinge bolts and nuts (SF106)

Heaters R185-405, 206-406, 207-407 O-Ring Gaskets - Set of 2 reagent-size_1/2 oz This plug has an 8-1/4This is a Raypak O Ring Gasket for their model 185 405, 106 406 and 107 407 Residential Heaters. The dimensions are: 9 1 4 Inch Inner Diameter x 1 8 Inch Thickness for the Polymer Heat Exchanger. This item is designed to fit Raypak pool heater models such as the 206A; 266A; 336A; 406A Digital Atmospheric; 207A; 267A; 337A; 407A Digital Low NOx Pool Heaters.