Raypak Return Header, Cast Iron, for Model 155B Heaters, OEM | 004964F Pool High-Performance Pressure Regulation: Maintains optimal

High-Performance Pressure Regulation: Maintains optimal pressure for improved functionality and smoother operation of your pool and patio equipment

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Durable Construction: All-weather proof and UV-resistant materials ensure long-lasting use

It is commonly used during service repairs or preventative upgrades on older AquaCal heat pump models

or shutting down for no clear reason

Raypak Return Header, Cast Iron, for Model 155B Heaters, OEM | 004964F Pool High-Performance Pressure Regulation: Maintains optimalRaypak 004964F Return Header CI for 155B Heaters OEM If your 155B heater is leaking from the return side, showing rust around the header, or losing integrity where heated water exits the exchanger, the return header is one of the first water side components to inspect. Header damage can create pressure loss, external leaks, and unstable flow through the heater. This cast iron return header collects heated water as it leaves the exchanger and directs