Mitsubishi Ecodan Outdoor Unit Drain Socket Kit (PAC-SH71DS-E)

Description

The PAC-SH71DS-E is the OEM drain socket kit for connecting a permanent condensate drain to the base of a Mitsubishi Ecodan outdoor monobloc unit. It replaces the default drip drain with a proper threaded socket fitting, allowing reliable piped drainage to a soakaway, gulley or surface drain — preventing winter ice formation at the unit base.

OEM

Mitsubishi part

Threaded

Socket type

Piped drain

Output

Anti-ice

Winter benefit

MCS best

Practice

Warranty-safe

Coverage

Specify on every UK install

Always recommended on UK installations to prevent winter ice formation at the unit base. Essential where the outdoor unit sits on a hard surface (paving, decking, concrete pad) where condensate cannot soak away naturally.

MCS sign-off expectation

Piped condensate to a soakaway or gulley is increasingly expected for MCS sign-off — particularly in colder regions. Specify the drain kit at quote stage to avoid a return visit.

Key features

Manufacturer-Approved

Genuine Mitsubishi part — preserves full warranty coverage on drainage-related issues. Generic alternatives can compromise warranty status.

Threaded Socket Outlet

Accepts standard condensate pipework for a permanent, sealed connection. Pair with insulated runs to prevent freezing.

Prevents Winter Ice

A permanent piped drain removes condensate from the unit base, eliminating the freeze-thaw cycle that builds ice and damages base pans.

MCS Best Practice

Aligns with MCS installer best practice for condensate management — particularly important in northern UK and Scotland.

Technical specification

Model code	PAC-SH71DS-E
Mitsubishi part number	254615
Function	Threaded condensate drain socket for Ecodan outdoor monobloc
Material	Polymer with threaded outlet for standard condensate pipe
Compatibility	Mitsubishi Ecodan outdoor monobloc units (R32 and R290)
MCS relevance	Best practice for piped condensate drainage in UK installs

Frequently Asked Questions

Can I use generic drain fittings?

You can fit a generic alternative, but using the OEM kit preserves your Mitsubishi warranty coverage and is the cleanest solution. It's a small spend relative to the rest of the system.

Where does the drain run to?

Typically to a nearby surface gulley, soakaway, or rainwater downpipe. Avoid running condensate to foul drains or where it can freeze in exposed lengths. Insulate any exposed external runs.

Do I need this for an R290 install?

Yes — R290 outdoor units produce condensate exactly like R32 units. The PAC-SH71DS-E fits both refrigerant ranges.

What pipe size connects to it?

Standard condensate pipe — typically 22 mm push-fit waste pipe or equivalent. The threaded outlet accepts a range of common pipe adaptors.

BTU Calculator

BTU & WATT Calculator

Room Dimensions

Length (in m):

Width (in m):

Height (in m):

Room Type

Living Room

Bedroom

Kitchen

Bathroom

Conservatory

Hallway

Glazing Type

Single Glazed

Double Glazed

Triple Glazed

External Walls

0 Wall

1 Wall

2 Walls

3 Walls

4 Walls

Insulation Level

Poor

Average

Good (New Build)

Calculate

Required Heating

0

Watts

0

BTUs