<rss version="2.0">
            <channel>
    <title>Heat Pumps &amp; Accessories  from MacDonald Plumbing &amp; Heating Supplies</title>
    <link>http://www.macdonaldplumbingsupplies.com/rss/1/productlistings_rss/c682::drain:valve</link>
    <description></description>
    <copyright>Copyright 2026 MacDonald Plumbing &amp; Heating Supplies</copyright>
    <language>en</language>
    <lastBuildDate>Fri, 16 Oct 2026 02:05:06 +0100</lastBuildDate>
    <pubDate>Fri, 16 Oct 2026 02:05:06 +0100</pubDate>
              <item>
              <pubDate>Thu, 01 Oct 2026 20:20:26 +0100</pubDate>
              <title>MacDonald Plumbing Supplies MacAnti Freeze Valve 28mm</title>
              <description><a href="http://www.macdonaldplumbingsupplies.com/heat-pumps-accessories-c682/anti-freeze-valves-c685/macdonald-plumbing-supplies-macanti-freeze-valve-28mm-p21335"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="http://www.macdonaldplumbingsupplies.com/images/macdonald-plumbing-supplies-macanti-freeze-valve-28mm-p21335-48549_thumb.jpg" alt="MacDonald Plumbing Supplies MacAnti Freeze Valve 28mm"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/heat-pumps-accessories-c682/anti-freeze-valves-c685/macdonald-plumbing-supplies-macanti-freeze-valve-28mm-p21335">MacDonald Plumbing Supplies MacAnti Freeze Valve 28mm</a></p>
<p>The MacAnti Freeze Valve 28mm is designed to enable the antifreeze function in systems exposed to low outside air temperatures. This valve ensures the circuit medium is drained when temperatures reach an average value of 3℃, preventing ice formation and protecting your system, typically used with heat pumps, from potential damage.</p></description>
              <guid>http://www.macdonaldplumbingsupplies.com/heat-pumps-accessories-c682/anti-freeze-valves-c685/macdonald-plumbing-supplies-macanti-freeze-valve-28mm-p21335</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heat-pumps-accessories-c682/anti-freeze-valves-c685/macdonald-plumbing-supplies-macanti-freeze-valve-28mm-p21335</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:26 +0100</pubDate>
              <title>MacDonald Plumbing Supplies MacAnti Freeze Valve 1&quot;</title>
              <description><a href="http://www.macdonaldplumbingsupplies.com/heat-pumps-accessories-c682/anti-freeze-valves-c685/macdonald-plumbing-supplies-macanti-freeze-valve-1-p21336"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="http://www.macdonaldplumbingsupplies.com/images/macdonald-plumbing-supplies-macanti-freeze-valve-1-p21336-48232_thumb.jpg" alt="MacDonald Plumbing Supplies MacAnti Freeze Valve 1&quot;"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/heat-pumps-accessories-c682/anti-freeze-valves-c685/macdonald-plumbing-supplies-macanti-freeze-valve-1-p21336">MacDonald Plumbing Supplies MacAnti Freeze Valve 1&quot;</a></p>
<p>The MacAnti Freeze Valve 1&quot; is designed to enable the antifreeze function in systems exposed to low outside air temperatures. This valve ensures the circuit medium is drained when temperatures reach an average value of 3℃, preventing ice formation and protecting your system, typically used with heat pumps, from potential damage.</p></description>
              <guid>http://www.macdonaldplumbingsupplies.com/heat-pumps-accessories-c682/anti-freeze-valves-c685/macdonald-plumbing-supplies-macanti-freeze-valve-1-p21336</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heat-pumps-accessories-c682/anti-freeze-valves-c685/macdonald-plumbing-supplies-macanti-freeze-valve-1-p21336</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:26 +0100</pubDate>
              <title>MacDonald Plumbing Supplies MacAnti Freeze Valve 1¼&quot;</title>
              <description><a href="http://www.macdonaldplumbingsupplies.com/heat-pumps-accessories-c682/anti-freeze-valves-c685/macdonald-plumbing-supplies-macanti-freeze-valve-1-p21337"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="http://www.macdonaldplumbingsupplies.com/images/macdonald-plumbing-supplies-macanti-freeze-valve-1-p21337-48231_thumb.jpg" alt="MacDonald Plumbing Supplies MacAnti Freeze Valve 1¼&quot;"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/heat-pumps-accessories-c682/anti-freeze-valves-c685/macdonald-plumbing-supplies-macanti-freeze-valve-1-p21337">MacDonald Plumbing Supplies MacAnti Freeze Valve 1¼&quot;</a></p>
<p>The MacAnti Freeze Valve 1¼&quot; is designed to enable the antifreeze function in systems exposed to low outside air temperatures. This valve ensures the circuit medium is drained when temperatures reach an average value of 3℃, preventing ice formation and protecting your system, typically used with heat pumps, from potential damage.</p></description>
              <guid>http://www.macdonaldplumbingsupplies.com/heat-pumps-accessories-c682/anti-freeze-valves-c685/macdonald-plumbing-supplies-macanti-freeze-valve-1-p21337</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heat-pumps-accessories-c682/anti-freeze-valves-c685/macdonald-plumbing-supplies-macanti-freeze-valve-1-p21337</link>
            </item>
          <item>
              <pubDate>Fri, 16 Oct 2026 02:05:06 +0100</pubDate>
              <title>Advantay Heat Pump Buffer Tank 24 Litres</title>
              <description><a href="http://www.macdonaldplumbingsupplies.com/heating-c6/buffer-tanks-c2192/advantay-heat-pump-buffer-tank-24-litres-p18356"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="http://www.macdonaldplumbingsupplies.com/images/advantay-heat-pump-buffer-tank-24-litres-p18356-37820_thumb.jpg" alt="Advantay Heat Pump Buffer Tank 24 Litres"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/heating-c6/buffer-tanks-c2192/advantay-heat-pump-buffer-tank-24-litres-p18356">Advantay Heat Pump Buffer Tank 24 Litres</a></p>
<p>Specifically designed for use with heat pump installations. to provide a stored volume of heated water which helps to prevent heat pump short cycling and can increase response mes, COP and increase the lifespan of the heat pump. Use for treated water only. The ACF-P range features wall mounting brackets featuring twin insulaon layer and a so PVC Jacket. The ACF-P has an industry leading Class A energy rating and is ERP ready. Made from Carbon Steel and will need suitable water treatment to prevent corrosion.</p></description>
              <guid>http://www.macdonaldplumbingsupplies.com/heating-c6/buffer-tanks-c2192/advantay-heat-pump-buffer-tank-24-litres-p18356</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heating-c6/buffer-tanks-c2192/advantay-heat-pump-buffer-tank-24-litres-p18356</link>
            </item>
          </channel>
</rss>