Permanent RV part identity

Suburban 232503 Red-Dot Furnace Limit Switch

Name: Suburban 232503 Red-Dot Furnace Limit Switch
Brand: Suburban

Suburban Part 232503

Suburban 232503: Red-dot furnace limit switch listed by Suburban for SF-20FQ units above the specified serial threshold. Review manufacturer model references and current supplier availability on RVPartScan.

Suburban 232503 Red-Dot Furnace Limit Switch — supplier product photo 1 — Supplier photo. Compare connectors, dimensions and the part number before ordering.

Suburban 232503 Red-Dot Furnace Limit Switch — supplier product photo 2 — Supplier photo. Compare connectors, dimensions and the part number before ordering.

Also called: limit switch, high limit switch, red dot limit switch

Manufacturer part referenceReplacement part2 recently verified listings2 suppliers with recorded evidenceLast checked Oct 13, 2026

Manufacturer model evidence

Models that reference this part number

Suburban SF-20FQ

Red-Dot Limit Switch · diagram item LIMIT-SWITCH

Suburban manual 205624 lists red-dot limit switch 232503 for SF-20FQ above serial number 921403895.

Model reference source

Supplier evidence

Availability observations for 232503

Supplier availability is observational data. It can disappear or become stale without changing this permanent part identity.

Suburban RV PartsRecently verifiedChecked Oct 13, 2026

Suburban Furnace Limit Switch 232503 (SF-20/ SF-20F/SF-20Q)

Condition: Not specified by supplier

$17.99

Supplier

Dyers RVRecently verifiedChecked Oct 13, 2026

Suburban 232503 Furnace Limit Switch

Condition: Not specified by supplier

$13.83

Supplier

Confirm the part number, model and source documents before ordering. Check final price, condition and availability with the supplier.