Hot Water Circulation Pumps-water leakage, motor heating

water leakage
1. Hot Water Circulation Pumps mechanical seal is worn out. replace.
2. The pump body has sand holes or cracks. Welding repair or replacement.
3. The sealing surface is not flat. Trimming.
4. Loose installation bolts. Fasten.
Motor heats up
1. The flow of Hot Water Circulation Pumps is too large, and the operation is overloaded. Close the outlet valve.
2. Rubbing. Check for exclusion.
3. Hot Water Circulation Pumps motor bearing is damaged. Replace the bearing.
4. Insufficient voltage. Voltage stabilization.
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