Raypak Return Header, Cast Iron, for Model 155B Heaters, OEM | 004964F Pool PresAir Vacuum Switch Adjustable 135-250

PresAir Vacuum Switch Adjustable 135-250 in - VM12540E – Precision Control for Peak Pool Performance

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OEM finishing trims ensure consistent alignment

Raypak Return Header, Cast Iron, for Model 155B Heaters, OEM | 004964F Pool PresAir Vacuum Switch Adjustable 135-250Raypak 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