This sheave is optimized for 4L

The Robertshaw 41-410 Hot Surface Ignitor is a high-performance silicon carbide furnace ignitor designed for professional-grade reliability in residential and commercial heating equipment

Field Serviceability: The take-apart TCLE 5 HW 100 design allows the power head and cage to be serviced without removing the entire valve body

note that the 667207R is the direct replacement for the legacy 667271 part number

Conbraco 19-KHGA-30 Valve Refrigerant This sheave is optimized forThe Apollo Conbraco 19 KHGA 30 is a heavy duty ASME Section I steam pressure relief valve designed specifically for power boiler applications. This model features a 1 1 2 inch male NPT inlet and a 2 inch female NPT outlet, factory set at 30 PSI to ensure system integrity during overpressure events. With a rated discharge capacity of 1,826 pounds per hour, it provides reliable thermal expansion protection for high demand steam systems. The construction