Dimplex SI brine-to-water (11 kW)

Specifications and technical data

Also known as: SI 11 ME

✓ BUS eligibleGround Source (GSHP)ResidentialR407C11 kW

Manufacturer	Dimplex
Model	SI brine-to-water
Model code	SI 11ME
Heat pump type	Ground Source (GSHP) All Ground Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R407C All R407C heat pumps →
Mode	Heating only
Heating capacity	11 kW
Max heating output (low temp)	10.5 kW at B0/W50
COP (heating)	4 at B0/W35
Operating range (air)	-5 to 25 °C
Heating flow temperature	up to 58 °C
Electrical supply	220-240V (Single Phase)
Dimensions (H×W×D)	805 × 650 × 462 mm
Operational Weight	122 kg
Sound power level	56 dB(A) (Sound Power LW(A))
Data added	2026-09-23
Data source	Manufacturer documentation (Dimplex)
Verification	Verified by a human
Boiler Upgrade Scheme	✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide
PEL certificate no.	MCS HP0017/04

Free data sheet (PDF) →

Dimplex SI 11ME brine-to-water ground source heat pump for indoor installation, R407C. 11.0 kW at B0/W35 with a COP of 4.00, and 10.5 kW at B0/W50. Heating flow to 58 C, brine from -5 to 25 C. Single-phase.

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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.