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White-Rodgers universal HSI ignition module, compact rectangular housing with quick-connect terminals

Emerson Climate Technologies

Emerson Climate Technologies 50E47-843 hvac control

SKU CH-CCF9-03000

Universal hot-surface ignition control for residential and commercial heating equipment with 30-second prepurge and 24 VAC operation

  • Universal HSI ignition module fits LP and NG heating equipment
  • 24 V AC control voltage suits residential and commercial systems
  • 30-second prepurge timing ensures safe ignition sequence
  • 1/4-inch quick-connect terminals simplify wiring installation
  • Carbon steel construction provides durability in HVAC applications

White-Rodgers Universal HSI Ignition Module

This White-Rodgers 50E47-843 module provides universal replacement hot surface ignition control for residential and commercial heating equipment. It operates on 24V AC with a 0.2 A draw and supports both LP and natural gas types. The unit includes a 30-second prepurge time and 1/4 inch quick connect electrical connections.

Suits technicians needing broad HSI compatibility

Installers servicing mixed fleets of residential and commercial gas-fired appliances will value the single-part coverage. Buyers who require a specific OEM-locked controller or a different voltage platform should look at other options.

24V AC control voltage with 0.2 A current draw

The module is designed for 24V AC systems drawing 0.2 A, a combination that determines whether it matches the existing control circuit. Verify these electrical ratings against the equipment nameplate before purchase.

How it compares

Measured against everything we stock in Heating & Cooling Controllers, at today’s prices. Recalculated every night.

Price $121.99
Pricier than about 72% of the 1,762 comparable items (median $45.99).

Specifications

Product
Brand nameWHITE-RODGERS

Questions about this item

Which version of the 50E47-843 should I choose for my furnace?

The 50E47-843 is a single universal replacement hot surface ignition control designed for maximum compatibility with residential and commercial heating equipment using LP or NG gas.

What does the 24 V AC rating mean when the module is installed?

The module operates on a 24 V AC control circuit drawing 0.2 A, providing power for the ignition sequence and safety monitoring.

How does the 1/4 in quick connect interface affect installation?

The 1/4 in quick connect terminals allow direct wiring to the gas valve, igniter and flame sensor without soldering or special tools.

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