the Emerson Alco 041566 (Model X22517B7B) is the industry-standard replacement cage assembly designed for the versatile TL-Series and T-Series take-apart thermal expansion valves

and upper spring seat

it ensures efficient heat dissipation during continuous operation

the CON0204 connector ensures total compatibility with series like the RTWA0704

Internal stainless steel float and lever mechanism resist fouling and corrosion

Fenwal 35-665721-101 Control 30067439-890 the Emerson Alco 041566 (ModelThe Fenwal 35 665721 101 is a microprocessor based 24V Hot Surface Ignition (HSI) control designed for precise burner sequencing in gas fired equipment. This MiniIgnition control features a 4 second Trial for Ignition (TFI) and a 15 second pre purge cycle to exhaust residual gases from the combustion chamber, ensuring a safe start up. Built with a single trial ignition logic (1TRY), the 35 665721 101 provides reliable flame monitoring and utilizes