Toyotomi Heat Exchanger Gasket

The Toyotomi Heat Exchanger Gasket, part number 20479893, is a replacement sealing component designed for select Toyotomi and Toyostove vented heater models. This gasket provides a tight, reliable seal at the heat exchanger interface, helping prevent combustion gas leakage and supporting proper heat transfer during normal heater operation.

What’s included: one replacement heat exchanger gasket.

Installation limits: the gasket must be installed according to the heater manufacturer’s service instructions. The heater must be powered off and fully cooled before service, and all mating surfaces must be clean and properly aligned to ensure correct gasket compression and sealing.

Compatibility: Compatible with Toyotomi and Toyostove models including OM-22, OM-23, Laser 530, Laser 531, and Laser 532 vented heaters.

• Replacement heat exchanger gasket for Toyotomi vented heaters
• Creates a secure seal at the heat exchanger connection
• Helps prevent combustion gas and heat leakage
• Supports efficient heat transfer and safe heater operation
• Direct-fit replacement for listed Toyotomi models
• Used during heat exchanger service or heater disassembly
• Genuine Toyotomi component for proper fit and dependable sealing

Replacing worn or damaged gaskets helps maintain safe combustion and efficient heater performance.