best pump for flushing tankless water heater
Holding the 6699 Submersible Sump Pump 1/4 HP 1500GPH in your hand, it immediately feels solid and well-built—smooth thermoplastic, no rough edges. Testing it in water, I was impressed by how quietly it ran and how easily it moved water up to 23 feet. Its heavy-duty, corrosion-resistant shell stood up to repeated use, making it … Read more