Guardian / Part reference

Guardian GUDT-322 logic board

The Guardian parts book, cover dated October 1, 2024, identifies GUDT-322 as the logic board under 715BBU and 728B. Match the full identifier, exact model and configuration using the source-specific rows. No direct successor is verified in this reference.

US source scopeUpdated 2026-09-15Independent Anderson reference

Match the whole number.

Manufacturer identifier: GUDT-322. Keep every character when comparing it with your label or paperwork. A similar number does not establish the same component.

Guardian replacement-parts book, cover dated October 1, 2024DOCX native table 40, row 4, column group 1; exact model heading 715BBU; assembly item 3 · checked 2026-09-12 · Cover dated October 1, 2024 · Guardian
Guardian replacement-parts book, cover dated October 1, 2024DOCX native table 45, row 4, column group 1; exact model heading 728B; assembly item 3 · checked 2026-09-12 · Cover dated October 1, 2024 · Guardian

Values apply to the exact identifier and scope in the cited source.
Book description (observed model headings 715BBU, 728B; listing context only)	logic board View source and citation details Guardian replacement-parts book, cover dated October 1, 2024DOCX native table 40, row 4, column group 1; exact model heading 715BBU; assembly item 3 · checked 2026-09-12 · Cover dated October 1, 2024 · Guardian
Source revision	Cover dated October 1, 2024 View source and citation details Guardian replacement-parts book, cover dated October 1, 2024DOCX native table 40, row 4, column group 1; exact model heading 715BBU; assembly item 3 · checked 2026-09-12 · Cover dated October 1, 2024 · Guardian

Documented fitment & exclusions

Read the exact equipment or component, market, production and variant limits in every row. An omitted pairing has not been verified by this reference.

Source statements and their exact conditions. Use the checker below to compare equipment or a component.
Equipment or component / relationship	Evidence and conditions
715BBU Documented compatibility From GUDT-322 to 715BBU.	Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed source conditions Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. GUDT-322 is listed directly under model 715BBU in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration. Applies only within this source scope Market: US Model scope: 715BBU Exact model 715BBU listing in the replacement-parts book: Cover dated October 1, 2024. Confirm the exact part and installed configuration; a listing does not establish interchangeability with another revision, model or similarly named item. Guardian replacement-parts book, cover dated October 1, 2024DOCX native table 40, row 4, column group 1; exact model heading 715BBU; assembly item 3 · checked 2026-09-12 · Cover dated October 1, 2024 · Guardian
728B Documented compatibility From GUDT-322 to 728B.	Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed source conditions Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. GUDT-322 is listed directly under model 728B in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration. Applies only within this source scope Market: US Model scope: 728B Exact model 728B listing in the replacement-parts book: Cover dated October 1, 2024. Confirm the exact part and installed configuration; a listing does not establish interchangeability with another revision, model or similarly named item. The source footnote for this assembly table requires replacement by a qualified technician. Guardian replacement-parts book, cover dated October 1, 2024DOCX native table 45, row 4, column group 1; exact model heading 728B; assembly item 3 · checked 2026-09-12 · Cover dated October 1, 2024 · Guardian Guardian replacement-parts book, cover dated October 1, 2024DOCX native table 45, row 4, column group 1; exact model heading 728B; assembly item 3; qualified-technician footnote immediately following native assembly table 45 · checked 2026-09-12 · Cover dated October 1, 2024 · Guardian

Direct replacement paths

No direct successor for GUDT-322 is verified in this reference.

A direct replacement statement does not establish reverse interchangeability, a kit equivalent or a later replacement chain.

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Selected: GUDT-322 · Read its reference. Selection identifies a record; it does not confirm fitment.

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Recall references

No recall reference is included for this identifier in the published dataset. This is not a safety clearance or proof that no recall exists.

Sources & scope

Guardian replacement-parts book, cover dated October 1, 2024Guardian · US · checked 2026-09-12 · Cover dated October 1, 2024

Anderson prepared this reference from the listed evidence. Source statements are not an Anderson installation inspection or independent product test. Official documents stay on their publisher’s website.

Related equipment guides

Confirm a missing detail

Use Guardian official support and match the complete part number, equipment model and production details with the source scope.

Use safely accessible labels and existing paperwork. Do not remove powered covers or adjust springs or cables to identify a component.

This is an independent Anderson reference. Manufacturer names identify the equipment and do not imply affiliation or authorized-dealer status.

A reference listing does not establish current stock, a price, eligibility for manufacturer support or that a component is faulty.