AG16-K Capillary Thermostat

The AG16-K is HengTherm’s standard capillary control thermostat — the workhorse control for commercial fryers, ovens and water heaters. A liquid-filled sensing bulb and capillary tube read the temperature remotely, so the switch body stays away from the heat it controls. Rated 16A/20A at 110V/250V over 50–400°C, with SPST/SPDT contacts, automatic reset and a tested mechanical life of 100,000 cycles. It heads the same control family as the compact AGO series and pairs with the AG16-S safety limiter for control plus protection in one equipment design.

AG16-K capillary control thermostat

Specifications

AG16-K
Current / voltage16A / 20A · 110V / 250V
Temperature range50–400°C
ContactSPST / SPDT
ResetAutomatic
SensingLiquid-filled bulb & capillary — length made to order
Mechanical life100,000 cycles
Form factorStandard

Technical data is a catalogue reference. Confirm final ratings, dimensions and approvals for the selected model before ordering.

The family

One control family, three ways to build it in — standard, compact, and control-plus-limiter:

AG16-K

Standard operating control. The general-purpose capillary thermostat for electric heating equipment.

16A/20A · 50–400°C · SPST/SPDT · automatic reset

AGO SERIES

Compact operating control. The same ratings in a smaller body for tight equipment layouts.

Compact · 16A/20A · 50–400°C · 100,000 cycles

AG16-S

Manual-reset safety limiter. The protective companion to the AG16-K control — trips on over-temperature and stays open until reset.

Manual reset · limiter companion to the AG16-K

TY316

Standard-format control with a waterproof version for wet environments.

16A · 50–380°C · single-pole

Replacement cross-reference

Replacing an existing control? Send us the original part number — or a photo of its rating label — and we match the mounting, ratings, temperature range and capillary length of the original part before quoting.

Customization & samples

Temperature range, capillary length, bulb size, knob format and dial printing are made to order; development for mechanical customization is free of charge. Free samples of the AG16-K are available for bench testing — you only cover the courier, and the freight is credited against your first order. Trial orders start from 200 pcs, with models mixed in one shipment.

Applications

FAQ

What is the difference between a capillary thermostat and a bimetal thermostat?

A capillary thermostat senses temperature remotely through a liquid-filled bulb and capillary tube — ideal when the control point is away from the sensing point, e.g. inside a fryer tank. A bimetal thermostat senses at its own mounting location.

Can I get custom temperature ranges or capillary lengths?

Yes. As an OEM manufacturer, we configure setpoint ranges, capillary length, bulb size, and knob format to your equipment.

What is the mechanical life of the AG16-K?

100,000 cycles minimum under rated load, tested in-house.

all products · Capillary Control Thermostats · Manual Reset Safety Limit Thermostats · High-Current Control Thermostats · Gas Thermostats & Limiters · ARB-33 Millivolt Thermostat · AG16-K Capillary Thermostat · AG32-1K High-Current Thermostat · Capillary Thermometers · Custom Thermostat Knobs