Is this spring compatible with both natural gas and LP systems

This single-pole relay features a dual switching configuration (1 Normally Open / 1 Normally Closed) to provide versatile control over critical electrical loads in commercial and residential HVAC systems

and RKMB series

This 36-inch

Key Benefits 316 Stainless Steel Construction: Offers maximum resistance to pitting and chemical corrosion in treated boiler water

Trane FAN1836 Fan Blade Els PW 17895 Is this spring compatible withThe Trane FAN1836 is a professional grade condenser fan blade engineered for heavy duty HVACR applications, specifically within packaged rooftop units and large scale condensing systems. Featuring a 24 inch diameter and a 24 degree pitch, this 3 blade aluminum assembly is optimized for high volume airflow and thermal management. Designed with a standard 1 2 inch bore, it facilitates a secure press fit or set screw mounting on compatible motor shafts.