skip to footer block
HOR Magic Plastics 0121108020 Split Nut 2" Buttress Thread Heater Union P14977907HOR-89-238-1040 https://cdnimages.opentip.com/full/HOR/HOR-89-238-1040.jpg Magic Plastics 0121108020 Split Nut 2" Buttress Thread Heater Union Manufacturer Part Number: 0121108020Split Nut, 2\" Buttress Thread, Heater UnionProduct Description California Residents WARNING: This product can expose you to chemicalsincluding Vinyl Chloride and Carbon Black, which is known to the Stateof California to cause cancer www.P65Warnings.ca.gov2" split compression nutSpecificationsSearch Using These SpecsHeater Union Part TypeSplit NutFirst Plumbing Connection Size2\", 2-3/16\"First Plumbing Connection TypeFemale Buttress Thread (fbt), Large Flange (For Metal Housings)Second Plumbing Connection Size2\", 2-3/16\"Second Plumbing Connection TypeFemale Buttress Thread (fbt), Large Flange (For Metal Housings)Below are the exploded diagrams relevant to this product:Pool & Spa Supplies  >>  Water Treatment   >>  Delta UV, E/ES Series UV Sanitizer/Clarifier SystemDelta UV, E/ES Series UV Sanitizer/Clarifier SystemKeySKUDescriptionManf. #143-187-1002UV Replacement Lamp, Delta UV, E-31/ES-31, 30W70-184051DiscontinuedUV Replacement Lamp, Delta UV, E-46/ES-46, 45W70-18410143-187-1006UV Replacement Lamp, Delta UV, E-110/ES-110, 90W70-18440-S143-187-1015UV Replacement Lamp, Delta UV , Model E-80/ES-8070-18420-S143-187-1025UV Replacement Lamp Assembly, Delta UV, Bio-Lab UV System1000-2670143-187-1102High Output UV Bulb, Delta UV, P 5-EA-3H/EA-4H-5-E/D 5/311000-2668143-187-1104High Output UV Bulb, Delta UV,EP 10-EA-3H/EA-4H-10-E/D-10/461000-2669143-187-1106High Output UV Bulb, Delta UV,EP40-EA-3H/EA-4H-40-E/D-40/1101000-2672143-187-1115High Output UV Bulb, Delta UV, EP20-EA-3H/EA-4H-20-E/D-20/801000-2671243-187-1035Quartz Tube, Delta UV , Model E-201000-2523243-187-1040Quartz Tube, Delta UV , Model E-51000-2517243-187-1045Quartz Tube, Delta UV Model E-40/EP-4058-50340343-187-1065Ballast, Delta UV, Multi Volt, E/ES/EP 20 & 401000-2648490-187-1000O-Ring, Viton, Delta UV, E/ES Series Lamps1000-2438490-423-7014O-Ring, 1/2\" ID, 1/16\" Cross Section, Generic589-395-1302Tailpiece, 2\"mbt x 1-1/2\"s/2\"spg, w/Split Nut, Heater0611-18643-187-1050Pressure Gauge, Delta UV84-82234789-238-1040Split Nut, 2\" Buttress Thread, Heater Union0121108020789-238-1044Split Nut, Waterway, 2\", with Screws, Heater400-5161843-187-1055Pressure Switch, Delta UV, 1/2 Psi1000-2561843-187-1060Pressure Switch, Delta UV, 5 Psi1000-2560943-187-1008Nut, Quartz Tube, Delta UV, EP Series, Plastic86-024119DiscontinuedNut, Delta UV , Quartz Tube, Blue1000-27711090-187-2000Gasket, Compression, Delta UV, Quartz Tube1000-24331143-187-1075Tail Piece, Delta UV, 2\"1000-27611243-187-1000Cushion, Bulb, Delta UV, E/ES Series Lamps1000-24341390-423-1007O-Ring/Gasket, Waterway 2\", Heater711-4030 14977907 806105081858 0.1900lbs 1.55 3.30 3.35
Magic Plastics
3.4000 2027-07-05 1048 In Stock
customer review - by , October 10, 2025
5/ 5stars
Came to small not 2 inches
customer review - by , August 8, 2025
5/ 5stars
Better than the factory part!
customer review - by , March 3, 2025
5/ 5stars
Bought to replace broken split nut on my 20 year old pump. Worked perfectly! Thanks
customer review - by , July 7, 2024
5/ 5stars
Not the correct size for my Coleman Salu-Spa. Needed the 2" split union nut that goes in the blower for the bubbles. If this leaks, the tub is empty in a week. Hard to find the right one!
customer review - by , June 6, 2024
5/ 5stars
Stopped our hot tub from leaking. Holding so far, so good
customer review - by , June 6, 2024
4/ 5stars
Stopped our hot tub from leaking. Holding so far, so good
customer review - by , May 5, 2024
5/ 5stars
I did not end up using it.
customer review - by , May 5, 2024
4/ 5stars
I did not end up using it.
customer review - by , May 5, 2024
5/ 5stars
Fit my J480 jacuzzi from 2009
customer review - by , October 10, 2023
5/ 5stars
A perfect fit

Magic Plastics 0121108020 Split Nut, 2" Buttress Thread, Heater Union

stars Rating 5 | 14 reviews
Shop more from HOR
Shop by themes: Water Treatment

UPC: 806105081858
SKU: HOR-89-238-1040
Price:
$3.40Free shipping on orders over $650.00 on select HOR- items. Details
Quantity:
1048 In Stock
*  Click "Add to Cart" to calculate shipping and delivery time.
Share & Earn 10% Cash Back Best Price in Bulk

You may also like

Pricing Note

Free Shipping Promotion: Buy more items from the same series, product code beginning with HOR-, and you can get free shipping for an order of over  $650.00  consisting of only HOR- series products.

Product Description

Manufacturer Part Number: 0121108020

Split Nut, 2" Buttress Thread, Heater Union


Magic Plastics 0121108020 Split Nut, 2" Buttress Thread, Heater Union California Residents WARNING: This product can expose you to chemicalsincluding Vinyl Chloride and Carbon Black, which is known to the Stateof California to cause cancer

 www.P65Warnings.ca.gov

2" split compression nut

Search Using These Specs

Below are the exploded diagrams relevant to this product:

Pool & Spa Supplies
  >>  Water Treatment
   >>  Delta UV, E/ES Series UV Sanitizer/Clarifier System

Delta UV, E/ES Series UV Sanitizer/Clarifier System


Magic Plastics 0121108020 Split Nut, 2" Buttress Thread, Heater Union

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

Return Policy

Unless the item is defective, once any part is installed, it is not returnable. Return is subject to a restocking fee of 30%.
Need more information?
Our staff are available to answer any questions you may have about this item


Look Similar Items By Category


Customer Reviews
5 stars
12
4 stars
2
3 stars
0
2 stars
0
1 stars
0
By Valerie Encarnacion
Date: October 20, 2025
Came to small not 2 inches
Rating: 5 stars [5 of 5 Stars!]
By Bob Rider
Date: August 08, 2025
Better than the factory part!
Rating: 5 stars [5 of 5 Stars!]
By RandomBuya
Date: March 19, 2025
Bought to replace broken split nut on my 20 year old pump. Worked perfectly! Thanks
Rating: 5 stars [5 of 5 Stars!]
By Weed Wacker Wedmon
Date: July 08, 2024
Not the correct size for my Coleman Salu-Spa. Needed the 2" split union nut that goes in the blower for the bubbles. If this leaks, the tub is empty in a week. Hard to find the right one!
Rating: 5 stars [5 of 5 Stars!]
By productlover
Date: June 26, 2024
Stopped our hot tub from leaking. Holding so far, so good
Rating: 5 stars [5 of 5 Stars!]
By productlover
Date: June 26, 2024
Stopped our hot tub from leaking. Holding so far, so good
Rating: 4 stars [4 of 5 Stars!]
Items 1 - 6 of 14 reviews
 1  2  3  [Next]