![]() I still wonder if anyone else had this problem. I will look into getting some material which i could use to fabricate a better heat shield to locate inside the tub at the manifold end along with the ventilation improvement. But the manifold is still getting quite hot along its top edge. Today i ran it for eight hours constantly and no leak occurred. Last nite i started the heater and ran it for two hours without any leak appearing. Put it back together with a new manifold gasket and o-rings. I sanded down the deformed manifold and built it back up with a fiberglass kit from Autozone. ![]() The tank lid also has a new gasket in addition to the half-Rear heat shield. I fabricated (crudely) an aluminum shield to deflect hot gases away from the top of the manifold after sanding it, treating with Rust-Stop, and re-painting the area. The metal tub around the heat exchanger had enough rust on it to potentially let hot air escape toward the manifold. I replaced the igniter (after i broke it once while putting it back together after cleaning the exchanger, sanding and re-painting the inside of the exchanger tub before). I think that will go a long way toward eliminating this problem. 460732 Support SKU: 460732 Heat Your Pool Smarter Save money and energy with the MasterTemp High-Performance Heater. I will upgrade to 8" since the manual recommends against anything smaller than 8". This complete manifold replacement kit is designed to use with PENTAIR Sta-Rite Max-E-Therm Pool And Spa Heater Model 400 as well as PENTAIR MasterTemp 400K. Comparison chart for pentair mastertemp 400 manifold bypass valve 2022 Top 10 pentair mastertemp 400 manifold bypass valve Based on User Rating SaleBestseller No. Good flow of hot at the termination as well. The exhaust stack is up 6' and then 90 deg to exit the wall. Pentair Basic Manifold Kit 474200 Home Pentair Basic Manifold Kit 474200 Features Coil Tubesheet Sealing O-Ring Connector Tube Thermal Regulator For Use With: MasterTemp, Max-E-Therm Waterpool and Spa Heater Brand: Pentair REVIEWS Q&A Powered by TurnTo Review More Purchases My Posts 5.0 / 5. Suits Pentair Mastertemp, Waterco Turbotemp, Sta-Rite Max-E-Therm Gas Pool & Spa Heaters.
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