You can use either part number for your repair without modifications

this 120V to 24V step-down transformer features a compact footprint and robust internal lamination to minimize mechanical hum and inductive losses

the 90-247 is designed for 50/60 Hz frequency ratings

ensuring clean

Multi-Poise Installation: Durable aluminum housing allows for versatile mounting in any plane without sacrificing performance

Williams P323654 Manifold You can use either partThe Williams P323654 Manifold is an essential OEM component designed specifically for the Williams Forsaire Direct Vent Furnace series, including the 5507 and 6007 models. As a veteran grade gas manifold replacement, this part is engineered to regulate gas distribution to the burner assembly, ensuring precise combustion and optimal thermal efficiency. This unit serves as the direct replacement for obsolete part numbers 11B136 and 11B57, allowing for a