About the Honeywell Y8610U4001 Y-Pack Assembly
Honeywell Y8610U4001 Y-Pack Assembly. The Assembly. is for a S8610U3009 and VR8204A2142. intermittent Pilot Retrofit Kit, are complete Kits converting conventional standing pilot system to intermittent pilot system. for use with 24 Vac gas-fired atmospheric furnaces, boiler and heating appliances.