Pentair Union 1-1/2" Kit || 474974 2.5" collar Durable Construction: Made from high-quality

Durable Construction: Made from high-quality materials to withstand harsh pool conditions and chemical exposure

Easy to install — minimal tools required

Compatibility: Designed specifically for 4" BYV valves

Pentair ETi 400 Heater Flame Sensor || 462023Z

Pentair Union 1-1/2" Kit || 474974 2.5" collar Durable Construction: Made from high-qualityPentair Union 1 1 2" Kit 474974 Pentair Union 1 1 2" Kit 474974 SKU: 474974 UPC: 788379865290 Enhance the performance of your Pentair pool heater with the Pentair Union 1 1 2" Kit (Model 474974). This high quality, durable part is designed to provide secure, leak free connections for your pool heater, ensuring optimal water flow and pressure. Easy to install and built to last, the Union 1 1 2" Kit is an essential component to maintain the efficiency