Tekmar561 Amazon

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TekmarBoiler Control

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TekmarRadiant Thermostat

The pressure and temperature relief valve PTR is designed to relieve the increase in pressure caused by water expansion during the normal heating cycle. The PTR valve will then relieve the increase in pressure by releasing drips of hot water to the drain line. Should the electrical temperature cut-out device cease to operate correctly, the water will overheat. The temperature probe will then open the PTR valve and discharge hot water to the drain line.

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If you would like to proceed, you may do so by using the link "Buy Regular Priced Stock" below, or close this popup to buy up to quantity 0 of this item at the clearance price.

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Honeywell thermostat

Tekmar563 Thermostat Manual

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For product-specific approval information, please refer to the product’s specification sheet or contact us. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:

If you would like to buy more than 0, you have an option to purchase the balance from our regular priced inventory. We have a quantity of 0 available at a regular price of 0/each.

The pressure and temperature relief valve PTR is designed to relieve the increase in pressure caused by water expansion during the normal heating cycle. The PTR valve will then relieve the increase in pressure by releasing drips of hot water to the drain line. Should the electrical temperature cut-out device cease to operate correctly, the water will overheat. The temperature probe will then open the PTR valve and discharge hot water to the drain line.