The L.B. White 573659 is a 115 V silicon nitride hot-surface ignitor replacement kit for specified Guardian AW-series heaters. It is listed in the Guardian and Guardian 2.0 service-parts manuals for hot-surface ignition models.

Key Features

• Silicon nitride hot-surface ignition element.
• Includes one hot-surface ignitor, one heat-shrink tube, one purse-lock clip and installation instructions.
• Replacement kit for heaters using part 573659; conversion kits with mounting brackets are sold separately.

Specifications

• Manufacturer part number: 573659
• Voltage: 115 V
• Ignitor material: Silicon nitride
• Ignition type: Hot-surface ignition (HSI)
• Ordering unit: One kit

Applications

Replacement hot-surface ignitor for Guardian AW060, AW100, AW250 and AW325 heaters using part 573659, as listed in the linked manufacturer service-parts manuals. Confirm the heater configuration and existing part number before ordering. This is an AW hot-surface ignition component; AD direct-spark ignition components are different.

Documents & Downloads

• 573659 hot-surface ignitor kit instructions (PDF)
• Guardian 2.0 owner’s manual and service parts (PDF)