Drawing of the part type. Check the specs and the label on your old part.
LIMIT SWITCH
1/2" SPST Manual Reset Flame Rollout Switch, 1/4" QC, 220°F Cut-Out (White Rodgers 3L12-220)
Part no. 3L12-220 · Compatible replacement part · White Rodgers
CUT-OUT TEMP
220°F
RESET
Manual Reset
SWITCH ACTION
SPST
$21.99
- Ships in 1 to 2 business days. Free over $49.
- 30-day returns on unused parts.
- 1-year warranty. Details
- Questions? Ask us to check the fit
FIT CHECK: MATCH THESE NUMBERS
Hold your old limit switch next to this list. 3 ticks means it fits.
THIS PART'S NUMBERS
1220°F
2Manual Reset
3SPST
Tick each box once you check it. 3 left to check.
Specs
| Nominal size | 1/2" |
|---|---|
| Cut-out temp | 220°F |
| Switch action | SPST |
| Switch action | Open on Rise |
| Reset | Manual Reset |
| Type | Rollout switch |
| Condition | New |
Will it fit?
Match the specs on your old part. Brand does not matter. The numbers do.
Brand names and part numbers are shown only to help you find a compatible part. This is not a brand-made part. We are not affiliated with or endorsed by these companies.
Safety: read before you start
- Turn off the furnace power switch and the gas valve before you start.
- If you smell gas, leave the house. Call your gas company from outside.
- Never bypass a safety switch or sensor.
- Not sure? Call a licensed HVAC tech. Gas work is not a guessing game.
Shipping
Ships in 1 to 2 business days. Free standard shipping on orders over $49. You get tracking by email.
Returns
Return unused parts within 30 days. Parts that were installed or wired in can not be returned unless they are defective. Return policy.
Warranty
1-year warranty against defects. Keep your order email. Warranty details.