#29 Exterior Emergency Release Plate

Alpha #29 Exterior Door Furniture – L504 & L704 Plates and Indicators

The Legge Alpha (#29) Exterior Door Furniture range is designed for use with compatible Legge 991MF mortice locks. Featuring the distinctive Alpha lever design, this range provides a selection of exterior plates, indicator plates and indicator hole configurations for residential and commercial door applications.

Manufactured from forged brass, the supplied Legge 500 Series furniture specification features a rectangular plate measuring 168 × 48 mm, with 158 mm fixing centres and a 7.6 mm spindle. The reference furniture is suitable for door thicknesses from 32 to 50 mm.

The range includes L504 and L704 models with plain plate, indicator and indicator hole options. Available finishes include Antique Bronze, Chrome Plated, Polished Brass, Satin Brass, Satin Chrome Plated and Powder Coated, allowing the furniture to complement different door hardware and architectural styles.

Specifications

• Brand: Legge / Allegion.
• Furniture Design: Alpha (#29).
• Models: L504 and L704.
• Product Type: Exterior Door Furniture, Plates and Indicators.
• Lock Compatibility: Designed for Legge 991MF Mortice Locks.
• Material: Forged Brass (500 Series Reference Specification).
• Plate Dimensions: 168 × 48 mm (500 Series Reference Specification).
• Fixing Centres: 158 mm (500 Series Reference Specification).
• Door Thickness: 32–50 mm (500 Series Reference Specification).
• Spindle Size: 7.6 mm (500 Series Reference Specification).
• Available Configurations: Plain Plate, Indicator Plate and Indicator Hole.
• Available Finishes: Antique Bronze, Chrome Plated, Polished Brass, Satin Brass, Satin Chrome Plated and Powder Coated.
• Application: Compatible Residential and Commercial Door Locking Systems.

Key Features

• Part of the Legge Alpha (#29) door furniture range.
• Designed for use with compatible Legge 991MF mortice locks.
• Exterior plate configurations for suitable door locking applications.
• Indicator options available for compatible locking functions.
• Indicator hole configurations available in selected L504 models.
• Forged brass construction on the supplied 500 Series reference furniture.
• Rectangular plate design with 168 × 48 mm reference dimensions.
• 158 mm fixing centres for compatible installations.
• 7.6 mm spindle specification.
• Reference door thickness range of 32–50 mm.
• Multiple finishes to suit different interior and architectural styles.
• Suitable for residential and commercial applications when correctly specified.

Available Variants

• L504/29A – L504 – Plate – Antique Bronze.
• L504/29INDA – L504 – Indicator – Antique Bronze.
• L504/29INDC – L504 – Indicator – Chrome Plated.
• L504/29HINDC – L504 – Indicator Hole – Satin Chrome Plated.
• L504/29HINDS – L504 – Indicator Hole – Satin Chrome Plated.
• L504/29INDP – L504 – Indicator – Polished Brass.
• L504/29INDSB – L504 – Indicator – Satin Brass.
• L504/29INDS – L504 – Indicator – Satin Chrome Plated.
• L704/29SB – L704 – Plate – Alpha Satin Brass.
• L704/29INDC – L704 – Plate Indicator – Chrome Plated.
• L704/29INDPC – L704 – Plate Indicator – Powder Coated.
• L704/29INDS – L704 – Plate Indicator – Satin Chrome Plated.
• L504/29S – L504 – Plate – Satin Chrome Plated.
• L704/29S – L704 – Plate – Satin Chrome Plated.

Note: The material, plate dimensions, fixing centres, door thickness and spindle specifications are based on the supplied Legge 500 Series Alpha furniture description. Specifications for L704 variants should be confirmed separately. The L504/29HINDC variant is labelled Satin Chrome Plated in the supplied data, although the C suffix may indicate Chrome Plated; verify the finish before ordering. Select the correct plain plate, indicator or indicator hole configuration according to the intended lock function and installation requirements.