HS780 34PL-308A Hot Surface Furnace Ignition Board, Replacement for Robertshaw 780 Series 780-783, Gas Furnace Control Module

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Description

Product Overview: The ZTLKSLL HS780‑34PL‑308A is a hot surface ignition control module designed for gas‑fired residential furnaces and heating systems. This OEM‑spec replacement module directly replaces Robertshaw 780 Series ignition controls. If your furnace experiences intermittent ignition failure, lockout after multiple attempts, short cycling, or abnormal gas valve voltage supply, a faulty ignition control module may be the cause. Replacing it with the ZTLKSLL HS780‑34PL‑308A restores proper ignition sequencing, flame detection, and system reliability. Safety & Installation: This furnace ignition control module must be installed by a licensed HVAC professional. Incorrect wiring, reversed polarity, or poor grounding may cause module failure or create a fire hazard. Always disconnect power before attempting any repair. If ignition is not proven after the ignition trial sequences, the module will lock out and completely shut off the gas supply. After‑Sales Support: ZTLKSLL stands behind every product. If you have any questions, please contact us through Amazon buyer‑seller messaging.

Item Details

Seller

Nellis Auction

Pickup Location

7440 Dean Martin Dr Suite 204

Las Vegas, NV, 89139

Quality

New

Functional

No Damage

No Assembly Needed

In Package

No Missing Parts

Estimated Retail Price

$141.49

Buyers Premium

15%

Inventory Number

1079262107

Found in

Home Improvement Tools

Additional Details from the Manufacturer

This item information is coming from the manufacturer. Some of the details may vary from the Nellis Auction listing. Please check the Quality Rating and Notes for information specific to this listing

brand

ZTLKSLL

dimensions

Item: 3.9 × 2.0 × 5.9 in · Package: 0.65 lb

weight

0.60 lbs

More features

【Wide Application for Gas-Fired Systems】 Replacement for Robertshaw HS780 34PL-308A, compatible with Robertshaw 780 Series, HVAC gas furnace circuit board replacement
【Precise Heat Response】The furnace control board Acts On A Demand For Heat By A Switch Or Thermostat To Supply Power To The furnace Ignition Control.When the thermostat calls for heat, this module energizes the igniter, opens the gas valve
【Stable Flame Sensing & Safety】 This home heating system control circuit board built in flame detection and self diagnosis. After ignition, the igniter shuts off and the flame sensor monitors the flame. If flame is sensed, the system runs stably; if ignition fails, the board triggers lockout to prevent hazards
【 Exact Fit & Durable Build】 This HS780 34PL-308A replacement board matches the original mounting position and interface – no extra modification needed for quick installation. Made of flame retardant PCB and high temperature resistant components, offering anti interference and anti aging performance for reliable operation in hot HVAC environments
【6 Month Support & Safety Warning】6-Month warranty and free return & replacement service. IMPORTANT: Always disconnect power before attempting any repair

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