Discontinued — nVent no longer sells it at any price

Your T290426G161 has a drop-in replacement.

Same cutout, same bolt pattern. Unbolt the old one, bolt in the VoltAire AT04RQSXX — no drilling, no adapter.

Also sold as McLean · Hoffman · Pentair · nVent — T290426G161 — 4,000 BTU/hr · 230V · NEMA 4X · R-134A

Yours

T290426G161

29.0″ × 17.0″ × 11.3″ · 107 lbs

Drop-in fit

Ours, in production

VoltAire AT04RQSXX

29.53″ H × 12.90″ D × 17.40″ W · 74.7 lbs · 30% lighter

Drop-In Fit Fit details ↓

You'll order: 1× AT04RQSXX — nothing else. $4,942.

Verified fit path — so you're not the one explaining a wrong-fit order.

No price comparison to make — nVent no longer sells this unit at any price. The real cost to weigh is a planned swap now versus an emergency swap after it quits.

Your In-Production Replacement

AT04RQSXX

Drop-In Fit

4,000 BTU/hr • 230V • NEMA 4X

Availability Built to Order 4-6 weeks — made in Orlando, FL

Includes Unit only — true drop-in 30-day price lock · no-obligation quote

Built Orlando, FL — UL/cUL Listed

Your order total

$4,942

Complete replacement — nothing else to buy.

Start My Order

Backed by VoltAire’s 12-month warranty (PDF) · UL 484 · Made in Orlando, FL 🇺🇸

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T290426G161

Existing Unit Discontinued

T290426G161

4,000 BTU/hr (1173 Watt) • 230V

Brand nVent

Series T2904

Capacity 4,000 BTU/hr (1173 Watt)

Voltage 230V

Heat No

Finish S

Where distributors publish pricing for the OEM equivalent, VoltAire runs 48% less on average (21-70% by model).

VoltAire Replacement In Production

AT04RQSXX

4,000 BTU/hr • 230V

Brand VoltAire

Series AT Telecom Series

Capacity 4,000 BTU/hr

Voltage 230V

Heat No

Finish 304 Stainless Steel (NEMA 4X)

Drop-In Fit Bolts to your existing cutout

Same cutout, same bolt pattern as the T290426G161. Unbolt it, bolt in the AT04RQSXX — no drilling, no new holes, no adapter.

You'll order: 1× AT04RQSXX $4,942

Popular options

Heater Cabinet Controller

Condenser intake filter (10×16 Mesh Filter) +$202

Screens sawdust, filings & insects off the condenser coil — not an enclosure air filter; cabinet air stays sealed.

Need a different voltage or capacity? Configure your AT04 / AT06 →

Built to Order • 4-6 weeks

Details

Fit Details

Drop-In Fit

Same bolt pattern, same cutout dimensions. Unbolt the T290426G161, bolt up the VoltAire AT04RQSXX — no enclosure modifications needed.

Unit dimensions — what the tape measure will tell you

	T290426G161	AT04RQSXX	Δ
Height	29.0″	29.53″ H	+0.5″
Width	17.0″	17.40″ W	+0.4″
Depth	11.3″	12.90″ D	+1.6″

Not sure? Talk to a fit specialist — (844) 925-5668.

T290426G161 Replacement — Common Questions

What replaces the McLean T290426G161?

The VoltAire AT04RQSXX — 4,000 BTU/hr at 230V, NEMA 4X, UL/cUL Listed and built in Orlando, FL. Bolt-for-bolt drop-in fit — no drilling, no parts.

Is the T290426G161 discontinued?

Yes. nVent has discontinued the T290426G161 and no longer sells it at any price. The VoltAire AT04RQSXX is an in-production replacement with the same capacity and voltage, backed by a 12-month warranty.

Will the VoltAire AT04RQSXX fit my T290426G161 cutout?

Yes — same cutout, same bolt pattern. Unbolt the T290426G161, bolt in the AT04RQSXX. No drilling, no adapter plate.

How much does a T290426G161 replacement cost?

The VoltAire AT04RQSXX is $4,942. nVent no longer sells the T290426G161 at any price, so there is no OEM price to compare. Volume discounts start at 4 units, and every quote locks pricing for 30 days with no obligation.

How fast can I get a replacement for my T290426G161?

Configured builds ship in 4–6 weeks from Orlando, FL. In-stock variants are sometimes on the shelf — call (844) 925-5668 and we'll find the fastest path for your spec.

Is the VoltAire AT04RQSXX an original McLean part?

No. VoltAire is an independent brand — an engineered replacement, not an OEM part. VoltAire Cooling is not affiliated with McLean, Hoffman, Pentair, or nVent. Units are UL/cUL Listed (UL 484) and manufactured in Orlando, Florida.

Why Switch to VoltAire?

Engineered Replacement

Same capacity, same voltage, NEMA 4 protection — with a clear fit path for your enclosure: direct, adapter plate, or template-guided modification. Built to replace McLean, Hoffman, Pentair, and nVent.

Built & Tested in the USA

Manufactured in Orlando, FL with a 5-point pressure and leak test. In-stock models ship fast from East Coast (VA) and Rocky Mountain (ID) warehouses; built-to-order configurations ship in 4-6 weeks.

48% Below Published Online Pricing, on Average

No distribution markup. Transparent pricing. Volume discounts at 4+ and 7+ units. Integrator pricing available for panel shops.

Need Heat, Stainless, 230V, or Remote Monitoring?

The AT04 is available with electric heat, stainless steel NEMA 4X, 48VDC, and factory ethernet controllers with Lead-Lag, SNMP, and BACnet.

Configure Your AT04 / AT06 →

Related Models

T290426G161 (this page) T290426G100 T290426G150 T290426G160

VoltAire Cooling is an independent party and is not affiliated with or endorsed by McLean, Hoffman, Pentair, or nVent. All competitor brand names and model numbers are the property of their respective owners and are used here for identification and compatibility purposes only.