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Product Updates

LEED for Homes v4 Compliant Controller

LEED Smart Aquastat Control 32 - LEED for Homes v4 Compliant

Leridian Dynamics Inc. is proud to announce the release of a LEED for Homes v4 compliant version of the Smart Aquastat Control 32.

The control comes configured by default to perform to their current exact specifications but the parameters can be modified via the smartphone app if the specification happens to change or the performance of the system does not provide adequate comfort. The following is the section of the LEED for Homes v4 specification that regulates recirculation pump controls.

Paths 1 and 2, Pumps and Controls for Hot Water Circulation Loops
Circulating systems must meet the following requirements.

  1. The circulating pump may not operate continuously, on a timer control, or on a water temperature (aquastat) sensors. Gravity and thermo-syphon circulation systems are prohibited.
  2. The circulating pump must be demand activated by a momentary contact switch, motion sensor, flow switch, door switch or voice command.
  3. After the pump starts, the controls shall allow the pump to operate until the water temperature in the return pipe rises not more than 10ºF (6 ºC) above the initial temperature of the water in the pipe. Controls shall further limit the water temperature to a maximum of 105ºF (40 ºC). Controls shall limit pump operation to not more than 5 minutes per activation in the event that both means of shutting off the pump have failed.
  4. Circulating hot water systems must be provided with an automatic or readily accessible manual switch to turn off the hot water circulating pump when not in use.
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2 Responses

  1. Waylon Felts says:
    March 3, 2022 at 8:02 am

    Hello,
    Could you send me a submittal for this LEED compliant aquastat controller please? I am interested in using this on an upcoming job we have that has to meet LEED requirements. Thanks!

    1. David Lehrian says:
      March 3, 2022 at 8:58 am

      Hello Waylon,
      Please contact me via our Contact Us page https://www.smartrecirculationcontrol.com/contact.html so I can get your email address to provide you with the requested documents.

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