Product Category

Hover over picture to Zoom
Click to enlarge



The SHL series of 1/2" bimetal temperature controls offers proven reliability in a compact, versatile, cost-effective design.


  • Economical
  • Direct OEM replacements
  • UL® recognized
  • CSA approved
Locate a Distributor Near You
Open (°F): 200°F
Close ( °F): 180 °F
Board Width: 1.88"
Board Height: 2.80"
Insertion Length: 7"
Plenum thermostat
SDS Product Sheets Cross Reference Information
no entry no entry no entry

Manuals Application Sheets Software
no entry SHL521_app_002.pdf
no entry

Replacement Part:47-21711-04
Part Description:
Manufacturer :Lennox®

No Accessories Available

Website & SEO by:BT Mobile llc.