Pentair Purex Minimax NT Window Glass (472370) correcttech Verify part number C3-30 and

Verify part number C3-30 and application before installation

this Waterway air relief assembly is a practical replacement when the relief component and tube need to be replaced together

Supports a more complete rebuild approach

Useful for general debris collection and routine maintenance

Overlay for compatible Balboa VL400 topside applications

Pentair Purex Minimax NT Window Glass (472370) correcttech Verify part number C3-30 andA practical replacement for aging Pentair Purex pool equipment, this part supports targeted repairs where accurate sizing and compatibility matter. The inspection window glass is used on Minimax NT Window Glass applications and helps restore a clear protected viewing point on the heater housing. It is a useful replacement when the existing part is cracked, corroded, stripped, distorted, leaking, missing, or no longer holding the correct operating