Duo(1) DHW expansion kit Use: this kit is fitted with the following comfort and safety features: installation filling and network protection against backflow, tank protection, cuts in water consumption by absorbing the expansion of DHW, adjustments and restrictions to DHW flow temperature, directly from the tank’s outlet. Composition: backflow preventer, valve, tap, antireturn valve, thermostatic mixing valve, DHW expansion tank (18L + external installation support), piping and hoses. (1) Not Simplifix-compatible CONNECTOR Spotlighting the Simplifix pre-connecting system for Alfea Extensa Duo A.I. Pre-connecting systems enable a faster connection to the hydraulics unit of our Alfea Extensa Duo A.I. (3 to 8 kW) models. They are fitted with a backflow preventer, including a filling valve and anti-thermosiphon valve. Piping is made of copper, with the following instructions: flow/return/heating/DHW. BOOSTER HEATER 6 kW booster heater relay kit This relay can be installed in the electrical box to transition Alfea Extensa A.I. heat pumps from a 3 to 6 kW electric booster heater. (1 service or Duo). Alfea Monobloc Compact BUFFER TANKS Use: a buffer tank (BT) is required whenever installations have a volume of water that is below the recommended values in the manual. Thanks to their 25L and 50L capacities, the BT 25 and 50 models can add the volume of water needed for installation. Greater volume (100L, 200L and 300L) can also be produced. Composition: insulated buffer tank with skai casing and 6 connections. Comes with 4 plugs and supporting parts. PACKAGE DESCRIPTION H X Ø (mm) CAPACITY WEIGHT (kg) ErP CLASS BT 25 790 x 290 25L 12.8 C BT 50 1,008 X 343 50L 19.5 C BT 100 1,115 X 600 100L 35 C BT 200 1,550 X 600 200L 60 C BT 300 1,650 X 710 300L 80 C Mileo Mileo Inox + DHW DHW cylinder for PAC Mileo, Mileo+ and Mileo Inox + (see page 111) Domestic Hot Water (DHW) cylinder kit Use: DHW production. Composition: motor-controlled directional valve, DHW sensor, connecting terminals. Non-contractual photo. 70 Heat pumps
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