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As an auto-reset limit switch
The Danfoss 023U4380 Replaceable Core is a high-capacity 48-DC solid core filter drier precision-engineered for professional HVACR maintenance and system protection
the R101432-15 maintains the precise switching logic required by the integrated furnace control board
Automatic Reset Logic: Eliminates the need for manual intervention by restoring circuit continuity once safe operating temperatures are reached
If the switch remains open (no continuity) despite the plenum being cool
Watts 0556003 Valve As an auto-reset limit switchInstall the Watts 0556003 (Series LF100XL) for reliable protection on water heaters and hot water storage tanks. This lead free 3 4" T&P relief valve is engineered to automatically discharge water if system temperatures reach 210F or if internal pressure exceeds 150 PSI. Designed as a direct updated replacement for legacy models 0066133 and LFL100XL 150 3 4, this unit features a lead free copper silicon alloy body and a 3 inch extension thermostat.
