| 7879380 | 2nd Zone Accessory Kit | ✖ | ✔ | For the Baxi ASHP Pre-plumbed Cylinder Enables control of Central Heating across 2 zones, includes 1 x UPM3 Auto 25-70 Pump and 2 x 28mm Pump Union Valves |
| 7859015 | Temperature Probe Extension 20m | ✔ | ✖ | For 1st fix or as an extension of the temperature probe between a standard ASHP cylinder and the HP40 & HP50 |
| 100000030 | Sensor DHW and TAS AD212 | ❗ | ✖ | This is included with the Baxi ASHP Control - If need for first fix the DHW sensor, please order this item: 5m length Sensor + connector to our PCB. |
| 7902049 | 1 Antifrost Caleffi valve kit | ✔ | ✔ | Frost protection valve 1. Set consists of 2 pieces. Will fit 4 to 6kWs.If you do not use those, please make sure you use glycol in your system. |
| 7870048 | 20L Buffer Tank | ✔ | ✔* | This is to ensure minimum system volume for proper compressor and defrost operations as well as providing a hydronic pressure break. System volume needs to be calculated. *2 port connection. |
| 7870049 | 30L Buffer Tank | ✔ | ✔* | This is to ensure minimum system volume for proper compressor and defrost operations as well as providing a hydronic pressure break. System volume needs to be calculated. *2 port connection. |
| 7901365 | 50L Buffer Tank | ✔ | ✔* | This is to ensure minimum system volume for proper compressor and defrost operations as well as providing a hydronic pressure break. System volume needs to be calculated. *2 port connection. |
| 7746242 | Differential valve | ✔ | ✔ | G¾” male. Used when you are over pressurising your heating system, this will allow your water to circulate - this is to protect the ASHP by by-passing the heating circuit. |
| 100020167 | Hydraulic Module 1direct circuit | ✔ | ✔ | Distribute the heating system in 1 circuit |
| 100020168 | Hydraulic Module 1 direct circuit + Pump | ✔ | ✔ | Distribute the heating system in 1 circuit with a pump when needs better water circulation - can check the temperature flow and return |
| 7616233 | Hydraulic Module 1 direct + 1 mixed circuit | ✔ | ✔ | Hydraulic module consisting of a direct central heating circuit with pump and a mixed one central heating circuit with motorized mixer and pump.2 pumps, with 3 way valves, and a collector for 2 circuits |
| 100020164 | Collector for 2 or 3 circuits | ✔ | ✔ | To distribute water to two to three circuits.You might want to use some wall brackets below. |
| 7854127 | Open distributor (6 connections). | ✔ | ✔ | To distribute water to six circuits |
| 100020165 | Wall brackets for collectors | ✔ | ✔ | Need to be ordered with 3661238575035 for complete set. |
| 100020166 | Wall brackets for collectors | ✔ | ✔ | Need to be ordered with 3661238575028 for complete set. |