Honeywell RA889A1001/U Switching Relay 24V 120V SPDT HVAC

SKU: RA889A1001/U

Weight	3 lbs
Dimensions	8 × 8 × 8 in

$179.22

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$179.22	0%
5–9	$170.26	5%
10+	$161.30	10%

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Honeywell RA889A1001/U Switching Relay 24V 120V SPDT HVAC

Specifications & product details

Honeywell RA889A1001/U Electronic Switching Relay – 24V Control – 120V Line

The Honeywell / Resideo RA889A1001/U is an enclosed, high-load electronic switching relay designed for HVAC applications requiring both line voltage and low voltage switching.

This relay features:

✔ 24V AC Control Circuit

✔ 120V AC Primary

✔ SPDT Line Voltage Switch

✔ SPST Low Voltage Switch

✔ 15.0 FLA Contact Rating

✔ Integral 24V Transformer

✔ LED Diagnostic Indicator

✔ Push-to-Test Button

✔ Enclosed Metal Housing

Designed For:

Furnace control circuits
Boiler switching applications
Air handler control
General HVAC line/low voltage switching

The RA889A replaces multiple competitive relay models and is trusted in residential and light commercial systems.

Built-in troubleshooting LED and push-to-test feature allow quick diagnostics and service verification.

OEM Honeywell / Resideo quality ensures dependable performance in demanding HVAC environments.

Product details

Part / SKU	RA889A1001/U

Package includes

Honeywell RA889A1001/U Switching Relay 24V 120V SPDT HVAC

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

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