920671A Nordyne R410A 4TON TXV VALVE

Replaces: 669817

Nordyne 920671A R‑410A Thermal Expansion Valve — 4 Ton The 920671A is the OEM R‑410A TXV used in Nordyne, Intertherm, Miller, Gibson, Tappan, and Frigidaire systems. Rated for 4‑ton cooling capacity, this valve provides precise refrigerant metering, stable superheat control, and improved compressor protection under high‑pressure R‑410A operation. The 920671A directly replaces 669817 and is commonly paired with Nordyne tube‑and‑fin and micro‑channel coils requiring a 4‑ton R‑410A TXV. Ideal for correcting under‑feeding, over‑feeding, or unstable cooling performance.

Cross‑Reference Block 

Cross Reference:

• 920671A (current OEM)

• 669817 (superseded)

• Nordyne R‑410A TXV — 4 Ton

• Compatible with Nordyne / Intertherm / Miller / Gibson / Tappan / Frigidaire systems

• Used with REPLCOIL02HS when configured for 4‑Ton R‑410A