2 Inch to 1 1/2 Inch Heater Tailpiece Adapter 417-2090 Buttress Waterway

1 1/2" to 2" heater buttress thread adapter tailpiece 417-2090 for connecting 1 1/2" hot tub plumbing to a 2" heater union. 

This quality PVC part is made by Waterway Plastics - model 417-2090 and is for use with split nuts (either pump split nut or heater split nut).

2" buttress x 1.5" slip tailpiece.

This Tailpiece is 2" buttress  x 1 1/2"slip

Now the heater split nuts come in 2 parts with 2 screws and are made by Waterway, Magic Plastics and others - see below for split nut part link if needed.

Need more than 25 of these? Get case pricing! Contact us at info@hottuboutpost.com for a quote on any quantity spa plumbing parts.

This item replaces part numbers 20-1031 , 417-2090 , 417-2090B , 4172090 , 700309 , 806105085160. 20-1031 , 417-2090B , 4172090 , 428950 , 604278 , 610965 , 6227F , 623466 , 700309 , 806105085160

Related parts to this include:

Heater Split Nut (2 inch buttress thread heater union)

Pump Split Nut  0121109020  2 inch pump union

Need a gasket? See  711-4010 or o-ring/gasket 711-4030 for a 2 inch heater union.

Or use o-ring O-301

O-ring (Buna-N 2 3/8" inner diameter)
or flat gasket 711-4010
or standard heater gasket with a ribbed oring side and a flat side 711-4030.