Hayward H-Series Union Nut Qty 2 (HAXNUT1930) horizonventures Helps position the shaft seal

Helps position the shaft seal during pump operation

but because the board is no longer keeping them organized correctly

Less-nut design supports more targeted replacement work

Check valves are useful because they help prevent undesirable reverse flow that can affect equipment or plumbing performance

Hayward H-Series Union Nut Qty 2 (HAXNUT1930) horizonventures Helps position the shaft sealThese Hayward H Series union nuts help secure compatible heater plumbing connections. Union hardware can become brittle, cracked, or difficult to tighten over time, especially in equipment pads exposed to heat and chemicals. This two pack is useful when refreshing heater connections, addressing leaks, or replacing missing hardware during service. Correct union nuts help make heater maintenance cleaner and more dependable. Two replacement union nuts