While it utilizes a standard terminal nut connection

this fan protects the motor windings from premature failure

it also effectively replaces various models from Honeywell

and Luxaire gas furnaces for seamless installation

Conbraco 27-401-01 Siphon Loop While it utilizes a standardThe Conbraco 27 401 01 is a standard setting 180 degree steam gauge siphon loop designed to protect sensitive instrumentation from the destructive effects of live steam. Constructed from 1 4 inch heavy gauge seamless brass tubing, this pigtail siphon acts as a thermal barrier by trapping condensate within its loop. This "water seal" prevents high temperature saturated steam from directly entering the Bourdon tube of your boiler pressure gauge or