HI LIMIT HEAT SENSOR PP3215 part replaces all stoves and part numbers listed below. 

There are spacers to raise it up like 12147705 is mounted.  Aftermarket 12147705 replacement.

250°F, PHENOLIC, Includes spacers for surface or hole mounting

Lennox® 12147705 & 12127705

Earth® 18253

PelPro KS51001330

US Stove 80455

Winrich

Fits the following:*

Whitfield-Lennox-IHP- Legend, Advantage II, II-T, II-TC, III, Advantage Plus, Quest, Quest Plus, Montage.

Enviro- EF-3

Earth Stove- NF2000

Winrich- Dynasty, Perfecta

Napoleon- NPS40, NPI40