Raypak Tube Bundle [106A Polymer Kit] (014874F) correcttech The Pentair 400K Heater Heat

The Pentair 400K Heater Heat Exchanger Kit [After Jan 2009] (474061) is a replacement heat exchanger kit for compatible 400

Improves service completeness and operating confidence

A filter cartridge helps remove suspended debris so the water-care system can continue circulating cleaner water

the tank can lose the secure closure it should maintain

Raypak Tube Bundle [106A Polymer Kit] (014874F) correcttech The Pentair 400K Heater HeatThe Raypak Tube Bundle [106A Polymer Kit] is a replacement heat exchanger tube bundle kit for compatible Raypak 106A pool and spa heater systems. The tube bundle is a central heat transfer component, allowing water to move through the heater while absorbing heat from the combustion process or heating assembly. This polymer kit is typically used when the existing tube bundle is leaking, scaled, damaged, or no longer transferring heat efficiently.