Discontinued — nVent no longer sells it at any price

Your T531926G100 has a replacement — with one honest catch.

19,000 BTU/hr against your 20,400 BTU/hr, same 230V — confirm your heat load with us. The mounting holes and air cutouts need adjusting to take the AT19RNWXX — routine sheet-metal work from our swap template, so the gasket seats properly.

Also sold as McLean · Hoffman · Pentair · nVent — T531926G100 — 20,400 BTU/hr · 230V · NEMA 4 · R-134A

Yours

T531926G100

53.0″ × 21.0″ × 13.0″ · 197 lbs

Modified fit

Ours, in production

VoltAire AT19RNWXX

53.03″ H × 17.00″ D × 21.62″ W · 200.0 lbs

Fits After Modification Fit details ↓

You'll order: 1× AT19RNWXX — $6,155. Plan on adjusting the mounting holes and air cutouts — VoltAire suggests working from the template.

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

AT19RNWXX

Fits After Modification

19,000 BTU/hr • 230V • NEMA 4

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

Includes Unit only Mounting + cutout modification in the field 30-day price lock · no-obligation quote

Built Orlando, FL — UL/cUL Listed

Need It Faster?

The AT19RNW20 is on the shelf right now — same 19,000 BTU/hr, same 230V, with a 2,000W electric heater included. It ships next business day instead of 4–6 weeks for $163 more.

Take the in-stock AT19RNW20 $6,318

Your order total

$6,155

Unit price. Mounting + cutout modification in the field — template available.

Start My Order

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

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T531926G100

Existing Unit Discontinued

T531926G100

20,400 BTU/hr (5978 Watt) • 230V

Brand McLean

Series T5319

Capacity 20,400 BTU/hr (5978 Watt)

Voltage 230V

Heat No

Finish W

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

VoltAire Replacement In Production

AT19RNWXX

19,000 BTU/hr • 230V

Brand VoltAire

Series AT Telecom Series

Capacity 19,000 BTU/hr capacity step-down, about −7%

Voltage 230V

Heat No

Finish Hentzen Off White (NEMA 4)

What You'll Order

1× AT19RNWXX $6,155

Popular options

Heater Cabinet Controller

Condenser intake filter (15×15 Mesh Filter (×2)) +$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 AT19 →

Built to Order • 4–6 weeks

Super Cool Coverage — 2 years of coverage, 30-day returns, no restocking fee. Terms

Details

Fit Details

Fits After Modification

Close to the T531926G100's capacity — 19,000 BTU/hr against its 20,400 BTU/hr — at the same voltage (confirm your heat load with us); a solid match, just not bolt-for-bolt. Both the mounting pattern and the air cutouts need adjusting to take the VoltAire AT19RNWXX — routine sheet-metal work on a metal cabinet, no adapter plate required. VoltAire suggests working from the swap template so the mounting holes land right and the gasket seats with proper compression — that's what keeps water out. Call (844) 925-5668 if you'd like us to walk through it before you order.

Unit dimensions — what the tape measure will tell you

	T531926G100	AT19RNWXX	Δ
Height	53.0″	53.03″ H	0.0″
Width	21.0″	21.62″ W	+0.6″
Depth	13.0″	17.00″ D	+4.0″

Existing nVent unit VoltAire replacement

T5319 to AT19 Provisional cabinet cuts shown

The red areas come from the manufacturer's spec sheet and must be confirmed against your actual unit before cutting.

Existing nVent AC outline Existing nVent opening New VoltAire unit outline VoltAire opening Existing cabinet metal that may need removal — verify first

The red hatching comes from the manufacturer's spec sheet; verify it against your actual unit before cutting.

Step 1 of 4 Start with the existing T5319 cabinet pattern.

The two manufacturer drawings are centered on each other for visual comparison only, because a shared mounting reference between the two units has not been verified. Verify every opening against your actual unit before any cutting or mounting. The T5319 openings shown come from one manufacturer spec sheet; openings on other production runs can differ — check your actual unit. The AT19 cutout starts 1.84 inches from the top and ends at 42.62 inches, leaving 10.41 inches of cabinet below the opening. The separate 8.57-inch lower drawing section is not part of the airflow cutout. This comparison is a visual guide, not a cutting or drilling template. Openings can vary with voltage and production run — verify against your actual unit before any cutting or mounting, and follow the manufacturer's installation template.

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

T531926G100 replacement — common questions

What replaces the McLean T531926G100?

The VoltAire AT19RNWXX — 19,000 BTU/hr at 230V, NEMA 4, UL/cUL Listed and built in Orlando, FL. Fits after a cabinet modification — adjust mounting holes and air cutouts (template available), no adapter plate.

Is the T531926G100 discontinued?

Yes. nVent has discontinued the T531926G100 and no longer sells it at any price. The VoltAire AT19RNWXX is an in-production replacement at the same voltage and in the same capacity class, backed by a 12-month warranty.

Will the VoltAire AT19RNWXX fit my T531926G100 cutout?

After adjusting the mounting holes and air cutouts — routine sheet-metal work. VoltAire suggests working from the swap template so the gasket seats properly.

How much does a T531926G100 replacement cost?

The VoltAire AT19RNWXX is $6,155. nVent no longer sells the T531926G100 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 T531926G100?

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 AT19RNWXX 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

Matched voltage and NEMA 4 protection, with the capacity difference stated in plain numbers above — 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 AT19 is available with electric heat, stainless steel NEMA 4X, 48VDC, and factory ethernet controllers with Lead-Lag, SNMP, and BACnet.

Configure Your AT19 →

Related models

T531926G100 (this page) T531926G109 T531926G150 T531926G151

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.