Our range of accessories are designed to work with Baxi air source heat pumps to help enhance the performance, efficiency and functionality of heating and hot water systems.
Our Solutions
Air Source Heat Pump Accessories
Our Solutions
Heat Pump Accessories
Baxi ASHP Control
Set-up and configure our range of Baxi ASHPs with the Baxi ASHP Control. Designed for fast set-up, precision control and effective energy management
Buffer Tanks
Baxi Buffer Tanks
Our range of Baxi Buffer Tanks are specifically designed for use with our range of Baxi air source heat pumps. They help optimise the efficiency and overall performance, where required, by providing additional system volume and creating a hydronic pressure break.
Tough on cold, big on comfort – meet our high-temperature air source heat pump
Built for comfort, efficiency and reliability, our new high temperature ASHP delivers quiet, year-round performance. With low GWP it’s the perfect low carbon solution for a wide range of residential properties.
ASHP Accessories
HP40 Accessories
'!' Please read the comment section for this product
ASHP Controller and Cylinder
| Product code | Product name | ASHP + controller + ASHP cylinder |
ASHP + Pre-plumbed and Pre-wired cylinder |
Comments |
|---|---|---|---|---|
| 7890025 | Baxi ASHP Control | ❗ | ✖ | A HMI is already provided with the HP40 and HP50, however you can choose to use this more advance controller. More details can be find in section controllers |
| 7837416 | Baxi ASHP Cylinder 210L | ✔ | ✖ | 2m2 coil Standard Installation Kit includes External Expansion Vessel, Cold Control Pack and Contactor Box - for more details please consult the product manual |
| 7837491 | Baxi ASHP Cylinder 250L | ✔ | ✖ | 3m2 coil Standard Installation Kit includes External Expansion Vessel, Cold Control Pack and Contactor Box - for more details please consult the product manual |
| 7837562 | Baxi ASHP Cylinder 300L | ✔ | ✖ | 3m2 coil Standard Installation Kit includes External Expansion Vessel, Cold Control Pack and Contactor Box - for more details please consult the product manual |
| 7853985 | Baxi ASHP Pre-plumbed Cylinder 170L | ✖ | ✔ | 2m2 coil. Standard Installation Kit includes : External Expansion Vessel, Primary Flow Connection Kit, Mains Water Connection Kit and PRV Connection Kit - for more details please consult the product manual |
| 7853986 | Baxi ASHP Pre-plumbed Cylinder 210L | ✖ | ✔ | 2m2 coil. Standard Installation Kit includes : External Expansion Vessel, Primary Flow Connection Kit, Mains Water Connection Kit and PRV Connection Kit - for more details please consult the product manual |
| 7853987 | Baxi ASHP Pre-plumbed Cylinder 250L | ✖ | ✔ | 3m2 coil. Standard Installation Kit includes : External Expansion Vessel, Primary Flow Connection Kit, Mains Water Connection Kit and PRV Connection Kit - for more details please consult the product manual |
| 7853988 | Baxi ASHP Pre-plumbed Cylinder 300L | ✖ | ✔ | 3m2 coil. Standard Installation Kit includes : External Expansion Vessel, Primary Flow Connection Kit, Mains Water Connection Kit and PRV Connection Kit - for more details please consult the product manual |
Outside Installation
| Product code | Product name | ASHP + controller + ASHP cylinder |
ASHP + Pre-plumbed and Pre-wired cylinder |
Comments |
|---|---|---|---|---|
| 7816801 | Rubber Support For ODU 600mm (3 Pack) | ✔ | ✔ | Dimension: 600Lx170W,100H mm each Perfect if you would like noise reduction, and to elevate your ASHP to protect your unit from accumulation of snow when unit placed on the floor |
| 100001369 | HOSES 1" HEAT PUMP | ✔ | ✔ | 870mm pre-insulated, flexible hoses. Will fit 4 to 6kWs |
| TBC | HOSES 1" 1/4 HEAT PUMP | ✔ | ✔ | 870mm pre-insulated, flexible hoses. Will fit 7kWs and larger outputs |
| 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. |
| 7842647 | 1" 1/4 Antifrost Caleffi valve kit | ✔ | ✔ | Frost protection valve 1" 1/4. Set consists of 2 pieces. Will fit 7kWs and larger outputs. If you do not use those, please make sure you use glycol in your system. |
Hydronic Accessories
| Product code | Product name | ASHP + controller + ASHP cylinder | ASHP + Pre-plumbedand Pre-wired cylinder | Comments |
|---|---|---|---|---|
| 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. |
Connectivity Accessories
| Product code | Product name | ASHP + controller + ASHP cylinder |
ASHP + Pre-plumbed and Pre-wired cylinder |
Comments |
|---|---|---|---|---|
| 7814703 | GTW-IOT - Gateway Wi-Fi | ✔ | ✔ | Plug in box to have access to the commissioning Wizard App: Baxi START, as well as having your ASHP remote connectivity ready. It also allow the end user to have access to their My Baxi App to remotely monitor their heating system. Works with the Baxi ASHP Control and the Baxi Pre-Plumbed Cylinder. |
| 7745928 | GTW-35 | ❗ | ✔ | Tool to access the commissioning Wizard App: Baxi START for ASHP with the ASHP Control as well as the Baxi Boilers. Can be re-used for all Baxi jobs. |
| 7842667 | Pulse-meter kit | ✔ | ✖ | This is for high accuracy energy monitoring when used with the Baxi ASHP Control |
| 7902049 | Kit solar | For solar thermal integration in DHW tank | ||
| 7684175 | SET VALVE REVERSAL EH812 | 3 way valves - inversion valves between DHW or heating |
Back up heaters
| Product code | Product name | ASHP + controller + ASHP cylinder |
ASHP + Pre-plumbed and Pre-wired cylinder |
Comments |
|---|---|---|---|---|
| 7708345 | SET BACKUP ELEC CONNECT EH904 | ✔ | ✖ | Must be used if you do not use an electrical back up system - Manage Immersion heater on the electrical back up water tank. Can also be used when offering 2 zones with valves only. |
| 7755564 | Electrical Back Up Heater 3kW | ✔ | ✖ | |
| 7755565 | Electrical Back-Up Heater 4.5k | ✔ | ✖ |
HP60 Accessories
'!' Please read the comment section for this product
ASHP Controller and Cylinder
| Product code | Product name | ASHP + controller + ASHP cylinder |
ASHP + Pre-plumbed and Pre-wired cylinder |
Hybrid system: ASHP + Boiler |
Comments |
|---|---|---|---|---|---|
| 7890025 | Baxi ASHP Control | ✔ | ✖ | ✔ | Required for use with HP60 and Assure HP55 if they are not being fitted with a Baxi ASHP Pre-plumbed Cylinder. More details can be find in section controllers |
| 7837416 | Baxi ASHP Cylinder 210L | ✔ | ✖ | ✖ | 2m2 coil Standard Installation Kit includes External Expansion Vessel, Cold Control Pack and Contactor Box - for more details please consult the product manual |
| 7837491 | Baxi ASHP Cylinder 250L | ✔ | ✖ | ✖ | 3m2 coil Standard Installation Kit includes External Expansion Vessel, Cold Control Pack and Contactor Box - for more details please consult the product manual |
| 7837562 | Baxi ASHP Cylinder 300L | ✔ | ✖ | ✖ | 3m2 coil Standard Installation Kit includes External Expansion Vessel, Cold Control Pack and Contactor Box - for more details please consult the product manual |
| 7853985 | Baxi ASHP Pre-plumbed Cylinder 170L | ✖ | ✔ | ✖ | 2m2 coil. Standard Installation Kit includes : External Expansion Vessel, Primary Flow Connection Kit, Mains Water Connection Kit and PRV Connection Kit - for more details please consult the product manual |
| 7853986 | Baxi ASHP Pre-plumbed Cylinder 210L | ✖ | ✔ | ✖ | 2m2 coil. Standard Installation Kit includes : External Expansion Vessel, Primary Flow Connection Kit, Mains Water Connection Kit and PRV Connection Kit - for more details please consult the product manual |
| 7853987 | Baxi ASHP Pre-plumbed Cylinder 250L | ✖ | ✔ | ✖ | 3m2 coil. Standard Installation Kit includes : External Expansion Vessel, Primary Flow Connection Kit, Mains Water Connection Kit and PRV Connection Kit - for more details please consult the product manual |
| 7853988 | Baxi ASHP Pre-plumbed Cylinder 300L | ✖ | ✔ | ✖ | 3m2 coil. Standard Installation Kit includes : External Expansion Vessel, Primary Flow Connection Kit, Mains Water Connection Kit and PRV Connection Kit - for more details please consult the product manual |
Outside Installation
| Product code | Product name | ASHP + controller + ASHP cylinder |
ASHP + Pre-plumbed and Pre-wired cylinder |
Hybrid system: ASHP + Boiler |
Comments |
|---|---|---|---|---|---|
| 7816801 | Rubber Support For ODU 600mm (3 Pack) | ✔ | ✔ | ✔ | Dimension: 600Lx170W,100H mm each Perfect if you would like noise reduction, and to elevate your ASHP to protect your unit from accumulation of snow when unit placed on the floor |
| 100001369 | HOSES 1" HEAT PUMP | ✔ | ✔ | ✔ | 870mm pre-insulated, flexible hoses. Will fit 4 to 6kWs |
| TBC | HOSES 1" 1/4 HEAT PUMP | ✔ | ✔ | ✔ | 870mm pre-insulated, flexible hoses. Will fit 7kWs and larger outputs |
| 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. |
| 7902050 | 1" 1/4 Antifrost Caleffi valve kit | ✔ | ✔ | ✔ | Frost protection valve 1" 1/4. Set consists of 2 pieces. Will fit 7kWs and larger outputs. If you do not use those, please make sure you use glycol in your system. |
Hydronic Accessories
| Product code | Product name | ASHP + controller + ASHP cylinder | ASHP + Pre-plumbed and Pre-wired cylinder | Hybrid system: ASHP + Boiler | Comments |
|---|---|---|---|---|---|
| 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. |
| 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. They can also be useful for connecting multiple heat sources. |
| 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. They can also be useful for connecting multiple heat sources. |
| 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. They can also be useful for connecting multiple heat sources. |
| 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. |
Connectivity Accessories
| Product code | Product name | ASHP + controller + ASHP cylinder |
ASHP + Pre-plumbed and Pre-wired cylinder |
Hybrid system: ASHP + Boiler |
Comments |
|---|---|---|---|---|---|
| 7814703 | GTW-IOT - Gateway Wi-Fi | ✔ | ✔ | ✔ | Plug in box to have access to the commissioning Wizard App: Baxi START, as well as having your ASHP remote connectivity ready. It also allow the end user to have access to their My Baxi App to remotely monitor their heating system. Works with the Baxi ASHP Control and the Baxi Pre-Plumbed Cylinder. |
| 7745928 | GTW-35 | ✔ | ✔ | ✔ | Tool to access the commissioning Wizard App: Baxi START for ASHP with the ASHP Control as well as the Baxi Boilers. Can be re-used for all Baxi jobs. |
| 7842667 | Pulse-meter kit | ✔ | ✖ | ✔ | This is for high accuracy energy monitoring when used with the Baxi ASHP Control |
| 7808411 | Kit solar | ✔ | ✖ | ❗ | For solar thermal integration in DHW tank |
| 7684175 | SET VALVE REVERSAL EH812 | ✔ | ✔ | ✔ | 3 way valves - inversion valves between DHW or heating |
| 100019114 | HYGRO SENSOR KIT FOR COOLING | ✔ | ✔ | ✔ | To prevent condensation in colling mode for underfloor - on/off |
| 7622433 | Set humidity sensor 0-10V HZ64 | ✔ | ✔ | ✔ | To prevent condensation in colling mode for underfloor - 0-10V |
Back up heaters
| Product code | Product name | ASHP + controller + ASHP cylinder |
ASHP + Pre-plumbed and Pre-wired cylinder |
Hybrid system: ASHP + Boiler |
Comments |
|---|---|---|---|---|---|
| 7708345 | SET BACKUP ELEC CONNECT EH904 | ✔ | ✖ | ✖ | Must be used if you do not use an electrical back up system - Manage Immersion heater on the electrical back up water tank. Can also be used when offering 2 zones with valves only. |
| 7755564 | Electrical Back Up Heater 3kW | ✔ | ✖ | ✖ | |
| 7755565 | Electrical Back-Up Heater 4.5k | ✔ | ✖ | ✖ |
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