<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">I believe it was Tom Hall, who enclosed the valve mechanism in the heater core area. I did this using a Honda valve with a couple of tricks for all the connections. It has worked great since 1990 with no leaks.<div class="">Since it's a Honda valve
, it actually works as opposed to slow leaks in the Sunbeam valve, which never really shuts off.<div class=""><br class=""></div><div class="">Of course it's not stock, but I always thought the heater valve looked like," oh we forgot something”, and was just plain ugly to me.</div><div class=""><br class=""></div><div class="">I have photos and an article.<br class=""><div><br class=""></div><div><br class=""><blockquote type="cite" class=""><div class="">On Mar 28, 2022, at 8:57 PM, Theo Smit via Tigers <<a href="mailto:tigers@autox.team.net" class="">tigers@autox.team.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta charset="UTF-8" class=""><div style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: arial, helvetica, sans-serif; font-size: 10pt;" class=""><div class="">The main worry, as regards cooling system pressure, is the end tanks on the heater core. Your radiator will be more than happy at anything the rest of the system can handle.</div><div class=""><br data-mce-bogus="1" class=""></div><div class="">Griffin recommends a 16 to 18 pound cap maximum.</div><div class=""><br data-mce-bogus="1" class=""></div><div class="">Cheers,</div><div class="">Theo</div><div class=""><br data-mce-bogus="1" class=""></div><div class=""><br data-mce-bogus="1" class=""></div><div class=""><br class=""></div><hr id="zwchr" data-marker="__DIVIDER__" class=""><div data-marker="__HEADERS__" class=""><b class="">From:<span class="Apple-converted-space"> </span></b>"tigers" <<a href="mailto:tigers@autox.team.net" class="">tigers@autox.team.net</a>><br class=""><b class="">To:<span class="Apple-converted-space"> </span></b>"tigers" <<a href="mailto:tigers@autox.team.net" class="">tigers@autox.team.net</a>><br class=""><b class="">Sent:<span class="Apple-converted-space"> </span></b>Monday, March 28, 2022 6:17:10 PM<br class=""><b class="">Subject:<span class="Apple-converted-space"> </span></b>[Tigers] Heater control valve<br class=""></div><div class=""><br class=""></div><div data-marker="__QUOTED_TEXT__" class=""><div class="yahoo-style-wrap" style="font-family: garamond, "new york", times, serif; font-size: 16px;"><div dir="ltr" class="">Hello All</div><div dir="ltr" class=""><br class=""></div><div dir="ltr" class="">With a aluminum radiator, what should the pounds of the cap should be on the overflow tank? I have had a 13 pound cap on the overflow tank and have gone through 3 heater control values in 5700 miles and they all leak.</div><div dir="ltr" class=""><br class=""></div><div dir="ltr" class="">So now I am thinking about a 90 degrees manual valve with a very short handle that would fit in the stock location as the heater control valve utilizing the bracket of the heater control valve that would allow me to bleed all air from the motor at the highest point, which I believe is the heater core,. The idea is try and and retain as close to possible the stock correct look, be able to bleed any air when refilling the radiator and have the ability to manually turn on the heater once to twice a year as I live in a very moderate environment and drive the car year round.</div><div dir="ltr" class=""><br class=""></div><div dir="ltr" class="">Any ideas as to a part number or manufacture that would meet these requirements or any other ideas?</div><div dir="ltr" class=""><br class=""></div><div dir="ltr" class="">Thanks</div><div dir="ltr" class=""><br class=""></div><div dir="ltr" class="">Joel Martin<br class=""></div></div><br class="">_______________________________________________<br class=""><br class=""><a href="mailto:tigers@autox.team.net" class="">tigers@autox.team.net</a><br class=""><br class="">Donate: http://www.team.net/donate.html<br class="">Archive: http://www.team.net/pipermail/tigers http://autox.team.net/archive<br class=""><br class="">Unsubscribe:<span class="Apple-converted-space"> </span><a href="http://autox.team.net/mailman/options/tigers/tsmit@shaw.ca" class="">http://autox.team.net/mailman/options/tigers/tsmit@shaw.ca</a><br class=""></div></div><span style="caret-color: rgb(0, 0, 0); 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