The Lochinvar PLT3400 HOT SURFACE IGNITOR FOR POER-FIN 2:1 Boilers And Heaters.

The Lochinvar PLT3400 hot surface ignitor is a genuine OEM replacement part designed to deliver reliable ignition performance for boilers, water heaters, and hydronic heating systems. Engineered for durability and consistent ignition cycles, this ignitor ensures safe, efficient startup every time. Whether you are performing maintenance, repair, or full replacement, the PLT3400 offers peace of mind with OEM-level quality and compatibility.

Features

• OEM-grade hot surface ignitor (Lochinvar PLT3400)

• Designed for compatibility with Lochinvar boilers and water heaters requiring PLT3400 ignitors

• Durable ceramic/silicon nitride or equivalent hot surface element built for repeated ignition cycles

• Robust ignition performance suited to high-heat burner environments

• Reliable replacement for worn or failed original ignitors, helping avoid frequent lockouts or misfires

• Compact design for easy installation and retrofit in existing units

Benefits / Applications

• Restores reliable ignition for boilers and water heaters — improves system safety and performance

• OEM compatibility reduces risk of improper fit or premature failure

• Ideal for maintenance, service calls, or full system restoration

• Helps prevent ignition failure and burner cycling issues

• Suitable for residential and light-commercial hydronic heating and water heating systems

• Trusted by HVAC technicians, plumbing and heating professionals, and facility maintenance teams

Technical Specifications

Installation & Use Notes

• Replace only when unit is powered off and fully cooled — safety first.

• Ensure correct orientation and wiring match the original ignitor being replaced.

• After installation, perform ignition test and verify flame detection and combustion safety controls.

• Inspect associated burner components (electrodes, flame sensor, wiring) — replacement of ignitor often pairs with maintenance of related parts.

• Use OEM-quality parts to maintain system compliance with manufacturer specifications and safety standards.

Why Buy from APEX Controls

• Genuine OEM Lochinvar PLT3400 ignitor — no aftermarket substitutes

• Reliable part sourcing for heating and HVAC professionals

• Ideal for service, maintenance, and replacement jobs in residential and light-commercial systems

• Trusted supplier with decades of experience distributing HVAC and heating parts

• Quality, dependability, and compatibility for long-term system performance