Sale! Supco SHL523 Plenum Limit Thermostat L130-20$13.95 Original price was: $13.95.$4.19Current price is: $4.19. - Supco SHL523 Plenum Limit Thermostat L130-20 quantity + Add to cart SKU: SHL523 Category: HVAC&R Tag: Supco Description Description Supco part number SHL523. Gas Furnace Plenum Limit Thermostat. Specifications: Open 130 F Close 110 F Board Width: 1.88 inches Board Height: 2.8 inches Insertion Length: 7 inches Replacement For Brands and Numbers: Lennox: 47-21711-08 Related products Sale! Supco RIM943 Icemaker $51.15 Original price was: $51.15.$15.35Current price is: $15.35. Add to cart Sale! PO115 – Solid State Refrigeration Compressor Push-On Relay $10.21 Original price was: $10.21.$3.06Current price is: $3.06. Add to cart Sale! Supco DE3155 for 5304523155 Frigidaire Clothes Dryer Drum Support Roller Wheel $19.78 Original price was: $19.78.$5.93Current price is: $5.93. Add to cart Sale! Supco T1034C Insulated Ring Terminal Connector Pack of 100 for 16-14 Wire #10 Stud $13.16 Original price was: $13.16.$3.95Current price is: $3.95. Add to cart