Name: Schwank Transformer 120V/24V 500 VA | JL-0781-BB
Brand: Schwank
SKU: JL-0781-BB
Price: 497.86 USD
Availability: InStock

Overview

Schwank Transformer 120V/24V 500 VA | JL-0781-BB

Product details

Description

Schwank Control Transformer | Transformer 120V/24V 500 VA | JL-0781-BB

The Schwank JL-0781-BB (Transformer 120V/24V 500 VA) is a genuine Schwank control transformer. A 120V-to-24V control transformer that powers 24-volt thermostats and controls on multi-heater systems.

Specifications

Brand: Schwank
Model: JL-0781-BB
Product Type: Control Transformer
Description: Transformer 120V/24V 500 VA
Warranty: 1 Year Parts (part manufacturer warranty)

Before You Order

Add up the VA draw of every heater and control on the circuit and choose a transformer with spare capacity.
Wiring by a qualified electrician per local codes.
Confirm the part number against your heater model and serial number plate, or the heater manual, before ordering.

What's in this bundle

Complete your install

Sizing helpNeed a product but don't know the size? We've got you covered.

Specifications

Extra Information

Find your comfort-ready size with confidence

Get a fast, learning-friendly estimate for tons and BTUs, then review it with a Pro to dial in the perfect fit for your home.

Quick sizing snapshot

Enter your home size and a few basics to see a quick HVAC365 sizing snapshot you can review with a Professional.

Home size (sq ft)

Enter at least 100 sq ft.

Use conditioned square footage only; skip garages and unfinished basements.

Climate

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Home type

Select your home type.

Shared walls and insulation levels change the load—pick what matches your structure.

System type

Choose a system type.

Match the system to your ductwork, fuel, or preferred heat source for best comfort.

This is a sizing estimate for general guidance only. Always confirm final size, duct design, and fuel type with a Professional before purchasing equipment or pulling permits.

Brand:

Schwank

Width:

13.00 (in)

Height:

9.00 (in)

Depth:

11.00 (in)

Weight:

5.00 LBS

Product Type:

Heater Accessory

Safety Information:

⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Prop 65 Warning:

Yes

Accessory Type:

Transformer 120V/24V 500 VA

Application:

Commercial / Industrial

Please Note: To validate the manufacturer's warranty, equipment must be installed by a qualified licensed professional in accordance with local codes and the manufacturer's installation requirements.

2023 Energy Standards

Department of Energy (DOE) State Regulations – Effective 2023

Click the link below to view the energy standards applicable to your region.

DOE State Standards Document

Department of Energy (DOE) State Regulations – Effective 2023

Click the link below to view the energy standards applicable to your region.

DOE State Standards Document

Energy standards

Documents & warranty

Warranty

1 Year Parts | Covered by the Part Manufacturer Warranty

Frequently asked questions

What warranty comes with the JL-0781-BB?

1 Year Parts | Covered by the Part Manufacturer Warranty

Who makes the JL-0781-BB?

The JL-0781-BB is made by Schwank.

Replacement parts

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Schwank Transformer 120V/24V 500 VA | JL-0781-BB

Schwank

Questions about Schwank Transformer 120V/24V 500 VA | JL-0781-BB?

At a glance

Schwank Transformer 120V/24V 500 VA | JL-0781-BB

Description