The Hayward FDXLHXA1250 Heat Exchanger Assembly Replacement Kit fits Hayward H250FD Universal H-Series Low NOx Pool Heater.

Dimensions: 31-in x 19.4-in x 8.2-in.

Heat Exchanger Assembly Replacement for Hayward H250FD Universal H-Series Low Nox Pool Heater• Fits hayward universal h-series low nox pool heater model h250fd • 250,000 BTU