While on this thread, may I ask those who have or have had purpose-built greenhouse heaters, especially Modine, what have been the failure points, please? Or advice about specific preventive maintenance? This is our second year with a Modine externally vented heater in the greenhouse, and I love it (and sleep much better when it's cold). But Nick is right - there is some corollary to Murphy's Law that causes heaters to fail when it's really cold and/or hard to get parts, and even new heaters can have problems. I kept a fair inventory of likely-to-fail parts for our previous heater that I could replace myself in an emergency and would like to do the same for the Modine. Thanks, Steve On 10/31/2021 6:01 PM, Mark Mazer via pbs wrote: > " After two decades in nice humid greenhouse the igniter is rusted to > point where it cannot work" > > FWIW: After 20 some years, even the "Cadillac" of brands, Modine purpose > built greenhouse propane heaters, are getting "long in the tooth"and may > become unreliable. You may want to consider replacing it IMHO. Been there, > done that. > > Best, > m > > On Sun, Oct 31, 2021 at 12:55 PM Nicholas Plummer via pbs < > pbs@lists.pacificbulbsociety.net> wrote: > >> Get a greenhouse, they said. It’s a relaxing hobby, they said. >> >> I keep my pilot flame burning all summer on my direct vent propane >> heater—I figure its a small amount of propane in the grand scheme of >> things, but I hope the heat will help to keep things dry around the valve >> and thermocouple. Which means that something else will probably fail on >> the coldest night of the year… >> ... _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>