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Wide Compatibility: Standard 3/4" FNPT connections and a 232 psi pressure rating make it compatible with most standard commercial hydronic systems
integrating seamlessly with standard 2-wire or 3-wire ignition modules
field-proven 40VA step-down transformer designed to provide reliable 24V control power for residential and light commercial HVAC systems
Can I use this to replace a thermal time delay
Utilizing a green spring
Nordyne 903481 Heat Exchanger 320734-701 Wide Compatibility: Standard 3/4" FNPTThe Nordyne 903481 Heat Exchanger is the heavy duty genuine OEM replacement part specifically engineered to replace the legacy D10309R model. As a critical primary component in Nordyne furnace systems, including high performance Miller and Intertherm mobile home furnaces, this heat exchanger is built to handle the rigorous thermal cycling of high efficiency gas heating. Technicians recognize the 903481 for its precision formed aluminized steel