Raypak Return Header, Cast Iron, for Model 105 Heater | 004934F Spa Heaters 304 Stainless Steel Construction: Offers

304 Stainless Steel Construction: Offers durability and resistance to weather elements

Durable Construction: Built with weather-resistant aluminum and steel for long-lasting use

BTU Output: 20

or trips high limit conditions even though flow seems normal

Raypak Return Header, Cast Iron, for Model 105 Heater | 004934F Spa Heaters 304 Stainless Steel Construction: OffersRaypak 004934F Return Header Cast Iron 105 Heater If your 105 heater is leaking from the return side, showing corrosion around the header, or losing integrity at the water outlet end of the exchanger, the return header is one of the first water side components to inspect. Header damage can create pressure loss, external leaks, and poor flow through the heater. This cast iron return header collects heated water as it leaves the exchanger and directs it