Key Benefits for Contractors: Differential Expansion Sensing: The Fenwal 11-030000-048 uses the outer case as the active sensing member

Designed to meet the stringent requirements of ASME Section IV

maintaining factory-spec clearances

Higher Amperage Tolerance: Rated for 40 Amp loads

either directly on the blower housing or integrated near the transformer and control board

York S1-029-16880-700 Pilot Assembly Els PW 17895 Key Benefits for Contractors: DifferentialThe York S1 029 16880 700 is an OEM natural gas pilot assembly engineered for precise ignition sequences in residential gas furnaces. This critical component ensures a stable pilot flame for main burner ignition and reliable heat sensing to maintain domestic safety standards. As a direct technical match for industry part numbers 97J40 and 97J4001, this assembly eliminates the need for field modifications, ensuring the pilot hood and orifice alignment