Homeowners & Contractors Welcome
1-778-759-9864
United States (USD $) flagUS
Furnace Parts DIY
Honeywell electrical-transformers-relay 446-159 furnace replacement part

Furnace Parts DIY

446-159 HONEYWELL UNIVERSAL SWITCHING RELAY WITH 24V TRANSFORMER

$273.00

+5% Tax • Shipping calculated at checkout.

U.S. Duties/Taxes, if applicable, may be due at time of delivery.

Low stock — only 2 left

Pickup available at 75 Blue Mountain St #3, Coquitlam

Usually ready in 24 hours

Secure Payment
Fast Delivery
Local Pickup

Not sure this fits your furnace? Call us — we're happy to help

Product Details

Description

This premium universal switching relay with an integrated 24V transformer is an essential component for controlling high-voltage equipment in HVAC and hydronic heating systems. Designed to bridge the gap between low-voltage thermostats and line-voltage loads, this relay allows for the seamless operation of circulator pumps, fans, and blowers. The built-in transformer provides a reliable 24-volt power source for your control circuit, ensuring consistent performance and system safety. Ideal for both residential and light commercial applications, this heavy-duty relay is a go-to solution for repairing or upgrading boiler controls and air handling units. Its durable construction and universal compatibility make it a versatile replacement part for maintaining efficient climate control and heat distribution.

Specifications

Type
Switching Relay with Transformer
Size
Standard Control Enclosure
Application
Commonly used in hydronic heating systems, boilers, furnaces, and HVAC units to control circulator pumps and blowers via a low-voltage thermostat signal.
Specifications
Integrated 24V transformer; designed for line-voltage switching; provides electrical isolation between low-voltage controls and high-voltage motors; multi-position mounting capability.

Not sure this is the right part?

Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.

1-778-759-9864

Mon–Sat 8AM–5PM PT · Or email parts@bcfurnace.com

Common questions

Who makes the 446-159 HONEYWELL UNIVERSAL SWITCHING RELAY WITH 24V TRANSFORMER?

The 446-159 is made by Honeywell. It replaces the original part in compatible furnaces; check your model number to confirm the fit. This electrical-transformers-relay is backed by our 100% compatibility guarantee — if it doesn't fit your furnace, we'll make it right.

How do I know if the 446-159 is compatible with my furnace?

The easiest way is to match the part number (446-159) with your furnace model number. Visit the homepage and enter your model number in the search bar — our system will show all compatible electrical-transformers-relay for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.

How fast can I get the 446-159 shipped?

Most electrical-transformers-relay including the 446-159 ship within 1–2 business days from our warehouse. We ship across Canada and the United States, and worldwide, with tracking on every order. For urgent furnace repairs, contact us at 1-778-759-9864 for expedited shipping options.

Can I pick up the 446-159 at your store?

Yes! Local pickup is available at our Coquitlam, BC location: 75 Blue Mountain St #3. electrical-transformers-relay orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 446-159 is in stock before visiting.

Still not sure this is the right part? Call 1-778-759-9864 and we will check your model number with you.