SA91

NO Underfloor Heating Electro-thermal Actuator

Universal M30 x 1.5mm Connection

Ultra-low 2W Power Consumption

IP45 Water-resistant Housing

Simple Open/Close Status Indicator

High-Quality Wax Element Drive

Wide Voltage Range (100-240VAC)

Product Description

The SA91 Normally Open (NO) Electro-thermal Actuator is a core component for hydronic underfloor heating systems, utilizing a high-quality Paraffin Wax Core to regulate water flow in individual manifold loops based on thermostat signals. Featuring a universal M30 x 1.5mm thread and operating on a wide 100-240VAC supply with only 2W power consumption, the SA91 offers unparalleled compatibility, energy efficiency, and reliable ON/OFF control. Its robust IP45 design and simple visual indicator ensure accurate, maintenance-friendly zone temperature management.

Key Functions

Product Selector

Model No.

Nominal Force

Voltage

Stroke

Control Signa

Manual
SA91 80-130N 220VAC ≥3mm

 ON/OFF

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Product Parameters

Power Supply:100~240VAC 50/60Hz
Power consumption:2W
Stroke:≥3±0.5mm

Force:130N>F≥80N

Screw thread:M30 × 1.5mm

Ambient temperature:-10~+60°C

Ambient humidity:<90%

Protective housing:lP45

Dimensions: 40mm×40mm×60mm


Partnership & OEM/ODM Support

As a professional UFH component manufacturer, we provide tailored support for global distributors, installers, and control system partners, focusing on seamless operation and minimal after-sales burden.





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