664275R Nordyne TXV R410A 5 TON
664275R Nordyne TXV R410A 5 TON Thermostatic Expansion Valve (TXV)
Product Description
The 664275R is a genuine Nordyne thermostatic expansion valve engineered for 5-ton R410A HVAC systems. Its balanced-port design delivers precise superheat control across varying load conditions, improving capacity and efficiency. Constructed from rugged brass with a protective coating, this TXV resists corrosion and maintains long-term reliability in residential and light-commercial applications.
Key Features
-
Rated capacity: 5 tons (60 000 BTU/h)
-
Refrigerant: R410A
-
Balanced-port design for stable superheat control
-
Externally equalized diaphragm for low-pressure drop
-
Adjustable superheat range: 4 °F–14 °F
-
Brass body with plated finish
-
Includes sensing bulb and stainless-steel strap
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 664275R |
| Refrigerant | R410A |
| Capacity | 5 tons (60 000 BTU/h) |
| Orifice Diameter | 0.265 inch |
| Superheat Adjustment Range | 4 °F–14 °F (2 K–8 K) |
| Maximum Working Pressure | 680 psi liquid / 450 psi suction |
| Bulb Charge | 50 g R410A |
| Temperature Range | –40 °F to 150 °F (–40 °C to 65 °C) |
| Connections | 3/8 " flare inlet, 5/8 " flare outlet |
| Valve Body Material | Brass with corrosion-resistant plating |
| Mounting | Panel mount with bracket and strap |
Compatibility
This TXV is a direct OEM replacement for Nordyne part number 664275R and fits a wide range of Nordyne, Coleman, Comfortmaker, Amana, Ducane, and Intertherm outdoor condensing units and air handlers designed for 5-ton R410A service.
-
Nordyne / Coleman / Comfortmaker
-
Scroll units: N5, N6 Series (48HC, 48HCB, 48H6)
-
Reciprocating condensing units: CPN, CKL, CNB lines
-
-
Amana / Ducane
-
Series ACC / ACCP (R410A models)
-
Packaged rooftop units: RG4, SH4 (5 ton)
-
-
Goodman / Intertherm
-
GMH9, DMH9 (5 ton R410A scroll)
-
GSC, GSH series rooftop units
-
-
Cross-Reference Equivalents
-
Danfoss DCL (0.265 in orifice)
-
Sporlan TXV-2E (R410A, 60 K BTU)
-
Emerson EVX2B (R410A balanced-port)
-
Ordering & Support
-
SKU: 664275R
-
Stock Status: Available for immediate shipping