(Heat & Glo Pilot Assembly LP Part 446-511A Can not be installed on a NG Unit. Original HHT Parts. No Generics. Valve only) 6000TR- NF 6000XLS 6000XLS-NF 6000XLT-NF 8000GDVFL – After date code 2/96 SL-32 – After mid 1996 SL-32GDV SL-32S SL-36 Bay Stove Townsend I Townsend II – Standing pilot only Heat & Glo part 446-511A OEM HHT part.