AstralPool Viron ICI HiNRG Hot Surface Igniter HSI Sinitride

AstralPool Viron ICI HiNRG Hot Surface Igniter HSI Sinitride The AstralPool Hot Surface Igniter (HSI) is a replacement ignition component designed for selected AstralPool Viron eVo, ICI and HiNRG gas pool heaters. This igniter uses durable silicon nitride (Sinitride) material with a ceramic body to deliver reliable ignition performance in high-temperature heater environments. If your gas pool heater is failing to ignite, locking out during startup, or repeatedly attempting ignition without lighting, a faulty hot surface igniter is one of the most common causes. Compatible Heater Models AstralPool HiNRG 175 AstralPool HiNRG 250 AstralPool HiNRG 400 AstralPool Viron eVo 250 AstralPool Viron eVo 350 AstralPool Viron eVo 450 AstralPool ICI 200 AstralPool ICI 400 Selected B and C Series heaters Part Number 726067 – AstralPool Genuine HSI Igniter Igniter Specifications Silicon Nitride (Sinitride) hot surface igniter Ceramic body construction Hot section length: approximately 72mm Overall igniter length: approximately 115mm Read More – Fault Symptoms, Diagnostics & Compatibility What Does the Hot Surface Igniter Do? The hot surface igniter heats up during the ignition cycle to ignite the gas burner inside the heater. It is a critical combustion component and must operate correctly for safe and reliable heater startup. This component may also be referred to as a HSI igniter, gas heater ignitor, silicon nitride igniter or pool heater ignition element. Common Signs of a Failed Igniter Heater not igniting Ignition lockout or startup failure Repeated clicking or ignition attempts No glow visible during startup Cracked or damaged igniter element Common Search Problems This Part Fixes AstralPool heater not igniting HiNRG ignition fault Viron eVo HSI replacement ICI heater ignition lockout Pool heater not lighting burner Important Diagnostic Information Igniter failure is often caused by an underlying heater issue rather than the igniter itself. Excessive heat, flame rollout, blocked burners, poor combustion, incorrect gas pressure or repeated ignition failures can shorten igniter life. Before installing a replacement igniter, the heater should be inspected for: Heat damage around the igniter mounting area Burnt wiring or damaged connectors Blocked or damaged burners Combustion chamber deterioration Incorrect gas pressure or airflow issues Additional Associated Numbers 6085114 21C01501001 SP726067 SKHSI Compatibility Note Does not suit INSNRG heaters. Why Buy From HeaterFix Specialists in AstralPool gas heater parts Fast Australia-wide shipping Support identifying the correct ignition component Trusted supplier for pool technicians and heater repairs Important: Hot surface igniters are gas appliance components and should only be diagnosed, installed and tested by a licensed gas technician.