plumbing - Drain hose of washing machine too low? - Home Improvement Stack Exchange
plumbing - How damaging can a 3 meter (10 feet) long drain hose be for the washing machine pump and microorganism growth? - Home Improvement Stack Exchange
Appliance411 FAQ: Washing Machine Won't Stay Full of Water
Drain hose issues on Samsung Eco Bubble washing machine - Samsung Community
Appliance411 FAQ: Washing Machine Won't Stay Full of Water