2 Which Solar Pool Heater Homemade Vs Purchased

Spa pool heater salt pond stainless steel heat exchanger ports 1 1/2 & 1fpt the seller is wumingzhou and is located in this country us. The opposite side of the pool water is 1 1/2 FPT, and the hot water is 1 FPT. Due to time zones, our reply to your questions may not be immediately.