Safety switches must match the manufacturer's specified water column rating exactly

OEM Compatibility: Exact replacement for Lennox

if your compression spring is corroded or lost tension

the 013G-8070 adapter installs externally on the valve neck

Armstrong International MECH-15B3 Kit R-410A Safety switches must match theThe Armstrong International MECH 15B3 is an industrial grade replacement float mechanism kit designed for 15 B3 and B2 series liquid drainers and steam traps. Engineered for heavy duty condensate management, this stainless steel internal assembly restores precise buoyancy control and valve seating performance without requiring a full housing replacement. As a "less float" kit, it includes the critical linkage, valve lever, and seating components