Hayward
Hayward Flange Union Nut Kit (2-Pack) HAXNUT1930 – for H-Series ED2 & Millivolt Heaters
Hayward Flange Union Nut Kit
Genuine Hayward replacement flange union nuts supplied in a 2-pack for compatible H-Series ED2 Electronic and Millivolt (Standing Pilot) pool heaters. Designed to secure heater flange plumbing connections during equipment servicing and repairs.
Warranty Information
6-Month Manufacturer Warranty
Ultimate Pools is your first point of contact for compatibility verification, installation guidance, and warranty support.
The Hayward Flange Union Nut Kit (HAXNUT1930) is a genuine Hayward replacement plumbing component kit designed for compatible H-Series Electronic ED2 and Millivolt (Standing Pilot) in-ground pool and spa heaters. Supplied as a 2-pack, these flange union nuts are used to secure compatible heater flange connections within the plumbing assembly.
Designed for select Hayward H-Series induced draft, Electronic ED2 and Millivolt/Electronic ED1 heater applications, the HAXNUT1930 kit provides replacement union nuts when original components become worn, cracked or damaged during service. These components help secure the associated plumbing connections and are intended for use with the specified Hayward heater models.
Key Features
Original Hayward flange union nuts designed for compatible H-Series pool heater assemblies.
Includes two replacement flange union nuts for servicing compatible heater connections.
Designed to secure compatible plumbing connections within the heater assembly.
Compatible with a range of Hayward H-Series Electronic ED2 heater models.
Designed for specified Hayward H-Series Millivolt (Standing Pilot) heater models.
Suitable for replacing worn or damaged flange union nuts during professional heater maintenance and repairs.
Compatibility & Fitment
Compatible with the following Hayward H-Series ED2 and Millivolt (Standing Pilot) pool heater models:
- Hayward H-Series Electronic ED2 Heaters: H150ED2C, H150PED2C, H200ED2C, H200PED2C, H250ED2C, H250PED2C, H300ED2C, H300PED2C, H350ED2C, H350PED2C, H400ED2C, H400PED2C.
- Hayward H-Series Millivolt (Standing Pilot) Heaters: H1501C, H150P1C, H2001C, H200P1C, H2501C, H250P1C, H3001C, H300P1C, H3501C, H350P1C, H4001C, H400P1C.
Compatibility may vary by production year, configuration and installation. Verify your exact model and part number before ordering.
Applications
- Replacement of worn, cracked or damaged Hayward heater flange union nuts
- Hayward H-Series Electronic ED2 heater maintenance
- Hayward H-Series Millivolt (Standing Pilot) heater servicing
- Heater flange plumbing connection repairs
- Maintenance of compatible in-ground pool and spa heating systems
- Replacement of original flange connection hardware during professional heater repairs
Confirm that your heater requires Hayward flange union nut kit HAXNUT1930 before ordering. This kit contains two flange union nuts and is intended for the specified ED2 and Millivolt heater models.
Specifications
| SKU | HAXNUT1930 |
| Brand | Hayward |
| Product Type | Pool Heater Flange Union Nut Kit |
| Included Components | 2 Flange Union Nuts |
| Product Series | Hayward H-Series Electronic ED2 and Millivolt / Electronic ED1 |
| Compatibility | Select Hayward H-Series Electronic ED2 and Millivolt (Standing Pilot) H150, H200, H250, H300, H350 and H400 heater models. See Compatibility & Fitment for exact models. |
| Compatible Gas Types | Natural Gas and Propane |
| Pool Type | In-Ground |
| Sales Channel | Open Line |
| Application | Pool Heater Flange Plumbing Connection Replacement |
| Warranty | 6-Month Manufacturer Warranty |
| Final Sale | Yes |
Frequently Asked Questions
The HAXNUT1930 kit includes two genuine Hayward replacement flange union nuts designed for compatible H-Series ED2 and Millivolt pool heaters.
The kit is designed for select Hayward H-Series Electronic ED2 and Millivolt (Standing Pilot) heater models ranging from H150 through H400. Refer to the Compatibility & Fitment section for the complete model list.
Flange union nuts secure compatible plumbing connections within the heater assembly. They may require replacement if the original nuts become cracked, damaged or unable to secure the connection properly.
The Hayward HAXNUT1930 flange union nut kit includes a 6-month manufacturer warranty. This replacement kit is final sale, so customers should verify heater compatibility before purchasing.
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