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Title: W44 exchanger anode size
Post by: S/V AMITY on August 05, 2019, 08:13:53 AM

What is the thread size for the heat exchanger brass plug that holds the zinc?

Title: Re: W44 exchanger anode size
Post by: P69 on August 05, 2019, 11:10:07 PM

I have a Universal Diesel and thread size on its heat exchanger annode (that's coolant heat exchanger, not oil cooler/exchanger) is 1/4 pipe thread (NPTF). If you are talking about the coolant heat exchanger, it is marinized part; therefore, it will likely be NPTF (tapered pipe threads) not metric or British. It could be BSP that is close to 1/4 pip thread, so watch out for thread mismatch the thread OD and pitch are close.

https://www.hydraulicsdirect.com/Fitting-Thread-Chart-s/1934.htm

Title: Re: W44 exchanger anode size
Post by: S/V AMITY on August 06, 2019, 07:51:16 AM

Thanks P69. Will pick up some 1/4 NPT plugs & zincs this weekend. Cheers!

Pearson 365 and 367

Pearson 365 and 367 => Pearson 365/367 Mechanic Shop => Topic started by: S/V AMITY on August 05, 2019, 08:13:53 AM