Radiant Water Heater Manuals

2 Radiant water heaters with owner guides and verified specifications

Select your Radiant model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.

Radiant water heaters by model number

Radiant Water Heater Manuals

Model	Description	Certified
SFK 55	natural gas tankless water heater	April 2025
SFK 56	natural gas tankless water heater	April 2025

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