Can I replace 00-419670-00001 with 00-410840-00002?

This page answers one question for buyers, maintenance technicians and parts distributors: can 00-419670-00001 be used in place of 00-410840-00002 in a commercial fryer? It is a part-number comparison, not a sales page — nothing here is offered for sale and no price is quoted.

Source basis: OEM catalog supersession plus distributor listings for both numbers.. See Sources, method and reliability for what is verified and what is not.

Short answer: Usually yes, but check the sensing bulb first. The successor 00-410840-00002 uses a 1/4 in x 4-1/2 in bulb, while the original LC117 uses a 1/4 in x 4-7/8 in bulb - about 3/8 in shorter. Both are 450 F auto-reset hi-limits with a 30 in capillary and a 3/8 in MPT stuffing box.

At a glance

	00-419670-00001 (LC117)	00-410840-00002 (successor)
Set point	450 F	450 F
Reset	Auto	Auto
Sensing bulb	1/4 in x 4-7/8 in	1/4 in x 4-1/2 in
Capillary	30 in	30 in
Fitting	3/8 in MPT stuffing box	3/8 in MPT stuffing box
Status	Discontinued by the OEM	Current

What to check before swapping

Measure the well depth. A bulb 3/8 in shorter may not reach the hottest zone.
Confirm the bulb seats and is clamped, not just inserted.
Confirm the reset type is auto on both.

When you should not swap

Do not cut or extend the capillary to compensate for a shorter bulb.
Do not accept the substitution without confirming the bulb length on the actual replacement part.

Documented wording

These are the lines that decide the answer above, quoted as published. A paraphrase would hide the unit labels and the quantity column, which is where most of the confusion comes from.

Document	Wording (verbatim)	What it settles	Link
Vulcan-Hart, FORM F-37136 Rev. A (January 2024), LG Series Fryers	“00-410840-00002 High Limit”	On the LG series control panel the OEM lists this number as a high limit, item 7.	Vulcan F-37136 (PDF)
PartsFe listing for 00-419670-00001 (distributor wording, not OEM)	“Hi-Limit Type - Lc117 W/Auto Reset”	The LC117 side is an auto-reset device, and the same listing gives it a 450 F set point.	PartsFe
PartsFe, same listing (set point and bulb)	“Temp 450 Bulb 1/4" X 4-7/8" Nickel Cap 30"”	450 F cut-out, 1/4 in bulb, 30 in capillary — the numbers to match before substituting one for the other.	PartsFe

Sources

OEM catalog supersession plus distributor listings for both numbers. Verify against your own equipment's parts manual before ordering. This is not an offer or a quotation.