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[TR] TR3 Maradyne Heater

Subject: [TR] TR3 Maradyne Heater
From: wsb1960tr3a at att.net (William Brewer)
Date: Tue, 8 Nov 2011 08:09:03 -0800 (PST)
References: <1320650181.85312.YahooMailRC@web83307.mail.sp1.yahoo.com> <1320766124.72597.YahooMailRC@web83306.mail.sp1.yahoo.com> <1320768367.14408.YahooMailNeo@web29413.mail.ird.yahoo.com>
No Problems Jonmac,
     A Maradyne heater is an aftermarket heater made for a farm tractor cab. 
It'll sort of fit in a TR3 and when I installed it it really pumped out the 
heat. Now it won't.

    http://www.maradyne.com/maradyne_mobile/products/heaters/5000.html

     Bill in Tehachapi




________________________________
From: John Macartney <flywheelcoventry1 at yahoo.co.uk>
To: William Brewer <wsb1960tr3a at att.net>
Sent: Tue, November 8, 2011 8:06:07 AM
Subject: Re: [TR] TR3 Maradyne Heater


Hi, Bill
 
At the risk of being a PITA, what is a maradyne heater and how does it differ 
from the original unit?
 
Cheers, Jonmac

http://standard-triumph-books.co.uk

From: William Brewer  <wsb1960tr3a at att.net>
>To: Triumphs <triumphs at autox.team.net>
>Sent: Tuesday, 8 November 2011, 15:28
>Subject: [TR] TR3 Maradyne Heater
>
>     So last night I removed the heater discharge hose at the through bulkhead 
>fitting in the engine compartment. I started the engine and steaming hot water 
>shot out through the fitting, showing that the heater core is clear and moving 
>coolant.
>     I had previously blocked off the coolant bypass (the little hose) using a 
>pipe plug. I got the idea from Bob Schaller. I decided to remove that, which 
>made no change.
>     It looks like something is preventing the coolant from returning from the 
>heater core to the radiator. I'll check tonight to see if the line is clear 
>from 
>
>the through  bulkhead fitting (on the return) to the radiator. The car has a 
>185 
>
>thermostat in it and heats up to 185 when driving it on a cold night, so it 
>appears the thermostat is working right. I also have the electric fan set to 
>185. I am thinking about changing out the thermostat tonight, but I fail to 
>see 

>what this would have to do with the heater return line.
>     Any ideas?
>
>     -Bill in Tehachapi
>
>
>
>
>----- Original Message ----
>From: William Brewer <wsb1960tr3a at att.net>
>To: Triumphs <triumphs at autox.team.net>
>Sent: Sun, November 6, 2011 11:16:21 PM
>Subject: TR3 Maradyne Heater
>
>    A couple of years ago I installed a Maradyne heater in my TR3A. It was 
>designed for a farm tractor, but fit in  the TR. I got the idea from HVDA who 
>did 
>
>
>the same. It has worked very well compared to the original TR3A heater or a 
>Triumph Spitfire core that I was using before the Maradyne. Anyway, we just 
>had 

>our second snow here in Tehachapi and the heater is blowing cold air. I 
>checked 

>the valve on top of the head and when the car is running, water is going 
>through 
>
>
>there. I gently blew the heater core out with a garden hose and it looks 
>clear. 

>What could be downstream from this that would block the coolant from going 
>through the core? The car is running a 185 thermostat and getting up to 
>temperature. I have the radiator part way blocked off to try to keep the heat 
>in 
>
>
>the engine compartment. The hose feeding the heater core is warm (not hot) and 
>the hose leaving the core is cold.
>     The last communication I had from FT was that he told me he had a heater 
> in 
>
>
>his TR that would burn you out of  the cockpit it worked so well. I wonder 
>what 

>he had. I wonder what happened to his TR, does anyone know?
>     Man, I am tired of trying to stay warm in a TR. Driving it to work 
>tomorrow, bundled up.
>     TIA,
>
>     -Bill in Tehachapi
>
>
>triumphs at autox.team.net
>
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