Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Robertshaw Ignition Control: Universal, 24V AC, 1 min Lock Out, 45 sec Pre-Purge - Intermittent Pilot Ignition Controls
RobertshawIntermittent Pilot Ignition Controls

Robertshaw Ignition Control: Universal, 24V AC, 1 min Lock Out, 45 sec Pre-Purge

The Robertshaw 780-003 is a universal intermittent pilot ignition control, operating at 24V AC with a 1-minute lockout and 45-second pre-purge. It provides a 1.5 A main valve output and is designed as a replacement…

SKU 3G-OTH-68125

Also listed as: 780003 · 780 003

Brand
Robertshaw
Item
Ignition Control: Universal, 24V AC, 1 min Lock Out, 45 sec Pre-Purge
Category
Intermittent Pilot Ignition Controls
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Robertshaw
Manufacturer Part Number
780-003
Type
780
AC
24V
Lock Out
1 min
Pre-Purge
45 sec
Product Type
Ignition Control
Control Voltage
24V AC
Main Valve Output
1.5 A
Replacement for OEM Brands
Johnson Controls

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Robertshaw Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Robertshaw 780-003 is a universal intermittent pilot ignition control, operating at 24V AC with a 1-minute lockout and 45-second pre-purge. It provides a 1.5 A main valve output and is designed as a replacement for Johnson Controls OEM brands.

Frequently Asked Questions

What is the Robertshaw 780-003 ignition control used for?

The Robertshaw 780-003 is a universal intermittent pilot ignition control used in gas-fired heating equipment. It manages the ignition sequence, including a 45-second pre-purge and 1-minute lockout, and is designed to replace Johnson Controls OEM models in furnaces and boilers.

What are the specifications of the Robertshaw 780-003?

The Robertshaw 780-003 operates at 24V AC control voltage with a 1-minute lockout and 45-second pre-purge. It provides a 1.5 A main valve output and is a universal replacement for Johnson Controls OEM brands. The part number is 780-003.

Where to buy the Robertshaw 780-003 worldwide?

3G Electric supplies the Robertshaw 780-003 ignition control worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this universal replacement for Johnson Controls systems.

How to install the Robertshaw 780-003 ignition control?

To install the Robertshaw 780-003, first disconnect power and verify the control voltage is 24V AC. Mount the control in the appliance, connect the flame sensor, main valve, and ignition leads per the wiring diagram. Always follow the manufacturer's instructions and local codes.

Used in

Common applications for Robertshaw
Commercial HVAC — Robertshaw RS10420T digital WiFi thermostat for programmable heat and cool control in office buildings
Furnace ignition — Robertshaw 41-230 universal hot surface ignitor for silicon carbide replacement in residential and light commercial furnaces
Airflow monitoring — Robertshaw 2374-509 adjustable air pressure switch for draft sensing in industrial burner systems
Gas-fired equipment — Robertshaw 1820-009 universal pilot assembly with thermopile for natural gas or LP water heaters and boilers
Vibration protection — Robertshaw 366A0 mechanical vibration switch for pump and compressor monitoring in industrial plants
OEM replacement — Robertshaw 41-428N direct spark igniter for Trane HVAC equipment requiring silicon nitride ignitors

Robertshaw Products

3G Electric supplies Robertshaw intermittent pilot ignition controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Heating Kit: 24V AC, 6 min Pre-Purge, 1.5 A Main Valve Output, 0.7 mA Flame Sensor Output, 780 (MPN 712-017)
Robertshaw
Heating Kit: 24V AC, 6 min Pre-Purge, 1.5 A Main Valve Output, 0.7 mA Flame Sensor Output, 780 (MPN 712-017)
Ignition Module: Universal, 24V DC, 7 sec Lock Out, 30 sec Pre-Purge, 2 A Main Valve Output, 780U (MPN 780U-DS20)
Robertshaw
Ignition Module: Universal, 24V DC, 7 sec Lock Out, 30 sec Pre-Purge, 2 A Main Valve Output, 780U (MPN 780U-DS20)
Ignition Module: Universal, 24V DC, 4 sec Lock Out, 30 sec Pre-Purge, 2 A Main Valve Output, 780U (MPN 780U-HS30)
Robertshaw
Ignition Module: Universal, 24V DC, 4 sec Lock Out, 30 sec Pre-Purge, 2 A Main Valve Output, 780U (MPN 780U-HS30)
Ignition Control: Universal, 18 to 30V AC, 687 sec Lock Out, 45 sec Pre-Purge, 4 A Main Valve Output (MPN 50E47U-843)
WHITE-RODGERS
Ignition Control: Universal, 18 to 30V AC, 687 sec Lock Out, 45 sec Pre-Purge, 4 A Main Valve Output (MPN 50E47U-843)

More from Robertshaw

View all Robertshaw parts
Ignition Control: Universal, 24V AC, 6 min Pre-Purge, 1.5 A Main Valve Output, 780 (MPN 780-715)
Robertshaw
Ignition Control: Universal, 24V AC, 6 min Pre-Purge, 1.5 A Main Valve Output, 780 (MPN 780-715)
Ignition Control: Universal, 24V AC, 1 min Lock Out, 5 min Pre-Purge, 1.5 A Main Valve Output, 780 (MPN 780-002)
Robertshaw
Ignition Control: Universal, 24V AC, 1 min Lock Out, 5 min Pre-Purge, 1.5 A Main Valve Output, 780 (MPN 780-002)
Ignition Module: Universal, 24V DC, 15 sec Lock Out, 30 sec Pre-Purge, 2 A Main Valve Output, 780U (MPN 780U-IP10)
Robertshaw
Ignition Module: Universal, 24V DC, 15 sec Lock Out, 30 sec Pre-Purge, 2 A Main Valve Output, 780U (MPN 780U-IP10)
Heating Kit: 24V AC, 90 sec Lock Out, 6 min Pre-Purge, 1 A Main Valve Output, 712 (MPN 712-008)
Robertshaw
Heating Kit: 24V AC, 90 sec Lock Out, 6 min Pre-Purge, 1 A Main Valve Output, 712 (MPN 712-008)
Pilot Relight Kit: 24V AC, 1 A Main Valve Output, 0.1 mA Flame Sensor Output, 785 (MPN 785-001)
Robertshaw
Pilot Relight Kit: 24V AC, 1 A Main Valve Output, 0.1 mA Flame Sensor Output, 785 (MPN 785-001)
Ignition Control: Universal, 24V AC, 1 min Lock Out, 5 min Pre-Purge, 1.5 A Main Valve Output, 780 (MPN 780-001)
Robertshaw
Ignition Control: Universal, 24V AC, 1 min Lock Out, 5 min Pre-Purge, 1.5 A Main Valve Output, 780 (MPN 780-001)
Ignition Control: Universal, 24V AC, 6 min Pre-Purge, 1.5 A Main Valve Output, 780 (MPN 780-735)
Robertshaw
Ignition Control: Universal, 24V AC, 6 min Pre-Purge, 1.5 A Main Valve Output, 780 (MPN 780-735)
Ignition Control: Universal, 24V AC, 90 sec Lock Out, 6 min Pre-Purge, 1 A Main Valve Output, 780 (MPN 780-845)
Robertshaw
Ignition Control: Universal, 24V AC, 90 sec Lock Out, 6 min Pre-Purge, 1 A Main Valve Output, 780 (MPN 780-845)