I recently did mine....I am new to Aqua Hot. Not bad. You will need a 10mm deep socket and a long extension. Replace the burner nozzle and the fuel filter and you are pretty much done. If the burner area looks really sooty, you can clean that.
2007 Country Coach Allure Siskiyou Summit, sold/traded Nov. 2018.
2019 Grand Designs 384GK-R 5th wheel. Glen Allen, VA