550-21811 LB White Thermocouple with Retaining Sleeve

550-21811 LB White Thermocouple with Retaining Sleeve

Part number:550-21811
SKU Number:LBW-550-21811
Warranty:1 Year
Fits Models:View Models List

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LB White 550-21811 Repair Part

If performance has slipped, swapping in the right replacement part can restore reliability quickly. This 550-21811 LB White Thermocouple with Retaining Sleeve is a practical way to restore fit, function, and dependable operation without guesswork. Selected for consistent performance and is a solid option for technicians and DIY repairs alike.


Whether you’re replacing a worn component or finishing a preventative service for LB White, you’ll appreciate the attention to detail - Backed by knowledgeable parts support and ready to install. Use SKU LBW-550-21811 to confirm you’re selecting the correct item for your parts list. Order today and keep your system ready when you need it.

Fits Models

This part fits 2 models:

LB White Tradesman CP100C Portable Forced Air Heater

LB White Tradesman CP100C Portable Forced Air Heater

View Model
LB White Tradesman 100 Portable Forced Air Heater Parts

LB White Tradesman 100 Portable Forced Air Heater Parts

View Model
Customer Reviews (1)
4 out of 5
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Derek I.
29 Aug, 2025

Solid replacement part. The 550-21811 LB White Thermocouple with Retaining Sleeve installed without trouble and fixed the issue. Only 4 stars due to extra fitment verification.