Dimplex SI brine-to-water (26.19 kW)

Specifications and technical data

Also known as: SI 14 ME

✓ BUS eligibleGround Source (GSHP)ResidentialR407C26.19 kW

Manufacturer	Dimplex
Model	SI brine-to-water
Model code	SI 14ME
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	26.19 kW
Max heating output (low temp)	13.7 kW at B-5/W35
COP (heating)	3.9 at B0/W35
Heating flow temperature	up to 58 °C
Electrical supply	220-240V (Single Phase)
Dimensions (H×W×D)	805 × 650 × 462 mm
Operational Weight	130 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 HP0017/28

Free data sheet (PDF) →

Dimplex SI 14ME brine-to-water ground source heat pump for indoor installation, single compressor, R407C. 14.8 kW at B0/W35 with a COP of 3.90 to EN 14511. Heating flow to 58 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.