Rinnai R4378 – Ret Air Plate Spig 600X600X450

$139.99

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Genuine Rinnai R4378 – Ret Air Plate Spig 600X600X450. Brand new, NZ-wide delivery from NZ Depot.

Discount per Quantity

Quantity 12 - 45 - 910 +
Discount 0%5%8%10%
Price $139.99$132.99$128.79$125.99
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Rinnai R4378 – Ret Air Plate Spig 600X600X450: Genuine Rinnai Trade Supply

You are viewing the Rinnai R4378 – Ret Air Plate Spig 600X600X450 (SKU: R4378). This is a 100 percent genuine Rinnai Return Air Top Hat And Plate Return Air Top Hat And Plate component, engineered for New Zealand homes and commercial sites. Refrigerant: . Cooling capacity: kW. Heating capacity: kW.

Product Details: Rinnai R4378

Rinnai R4378

Rinnai R4378 – Ret Air Plate Spig 600X600X450. Genuine Rinnai New Zealand product, brand new, supplied through Rinnai NZ’s trade channel.

Rinnai R4378 — Specifications

Product Overview
Product Ret Air Plate Spig 600X600X450
Rinnai Part Number R4378
Size (from product name) 600 x 600 x 450 mm
Category Ducting & Ventilation Accessories > Return Air Top Hat And Plate
Brand Rinnai
✔ Full Rinnai NZ Manufacturer Warranty — genuine Rinnai New Zealand product. Warranty & after-sales support.

Every Rinnai product sold by NZ Depot is brand new and dispatched NZ-wide. Order online today or contact NZ Depot for trade pricing and availability.

Need advice or trade pricing? Contact NZ Depot or browse more hot water, heating and HVAC deals at NZ Depot.

Pro Tip: Ensure this R4378 matches your installation. Sourced directly from the Rinnai NZ supply chain for full compatibility and manufacturer warranty.

The NZ Depot Trade Supply Advantage

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No Showroom Markup

Direct trade pricing on every Rinnai unit. You pay for the product, not the overheads.

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Nationwide Dispatch

From Cape Reinga to Bluff. Routed from the nearest distribution hub for fastest delivery.

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Genuine Rinnai Warranty

Full manufacturer warranty. View warranty card.

Trade and Installation FAQ

Is the Rinnai R4378 – Ret Air Plate Spig 600X600X450 suitable for New Zealand conditions?

Yes. The R4378 is engineered for the climate ranges experienced across New Zealand and is sold and supported by Rinnai NZ.

Does this unit require professional installation?

Yes. To preserve your manufacturer warranty, all refrigerant-based Rinnai equipment must be installed by a licensed New Zealand HVAC technician.

What refrigerant does the R4378 use?

This unit uses refrigerant, which is the modern, low-GWP standard for residential and light commercial heat pumps in New Zealand.

Looking for the best price on the Rinnai R4378? NZ Depot supplies the Rinnai R4378 New Zealand wide with fast dispatch, trade pricing and genuine Rinnai warranty support. Compare the Rinnai R4378 – Ret Air Plate Spig 600X600X450 with the rest of the Rinnai Return Air Top Hat And Plate range, check the full specifications above, and order the Rinnai R4378 online today or request a trade quote for volume supply.


Browse the full range of Ducting & Ventilation Accessories available for NZ-wide trade and retail supply.

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Additional information

Weight 0.5 kg
Dimensions 450 × 600 × 600 mm
MPN

Brand

Copper Pipe (mm)

Series

Unit Type

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