---
product_id: 502245984
title: "A99BB-600C Penn Series A99 PTC Temperature Sensor, Compatible with A421 Control, 2\" Standard Probe with 19' 8-2/5\" PVC Cable, Gray"
brand: "johnson controls"
price: "KSh56256"
currency: KES
in_stock: true
category: "Johnson Controls"
url: https://www.desertcart.co.ke/products/502245984-a99bb-600c-penn-series-a99-ptc-temperature-sensor-compatible-a421
store_origin: KE
region: Kenya
---

# Adjustable backlit LCD Simple 3-button touchpad setup Wide temp range -40 to 100°C A99BB-600C Penn Series A99 PTC Temperature Sensor, Compatible with A421 Control, 2" Standard Probe with 19' 8-2/5" PVC Cable, Gray

**Brand:** johnson controls
**Price:** KSh56256
**Availability:** ✅ In Stock

## Summary

> 🌡️ Stay cool, stay smart — control your climate like a pro!

## Quick Answers

- **What is this?** A99BB-600C Penn Series A99 PTC Temperature Sensor, Compatible with A421 Control, 2" Standard Probe with 19' 8-2/5" PVC Cable, Gray by johnson controls
- **How much does it cost?** KSh56256 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/502245984-a99bb-600c-penn-series-a99-ptc-temperature-sensor-compatible-a421)

## Best For

- johnson controls enthusiasts

## Why This Product

- Trusted johnson controls brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Reliable Performance:** Single-stage SPDT relay with anti-short cycle delay ensures stable HVAC operation.
- • **User-Friendly Interface:** Intuitive three-button touchpad simplifies programming and restricts unauthorized changes.
- • **Bright Adjustable Display:** Backlit LCD ensures clear readings in any lighting, customizable to your preference.
- • **Robust & Versatile Design:** Durable gray HAWA material with options for surface or DIN rail mounting to fit any setup.
- • **Precision Temperature Control:** Set exact heating/cooling points with ease for optimal comfort and efficiency.

## Overview

The Johnson Controls A99BB-600C Penn Series A99 PTC Temperature Sensor offers precise temperature monitoring from -40 to 100°C with a bright, adjustable backlit LCD and a simple three-button touchpad interface. Compatible with A421 controls, it features a durable gray HAWA casing, easy mounting options, and reliable single-stage SPDT relay output for efficient HVAC control.

## Description

The A421 Series Electronic Temperature Controls are single-stage controls with a single-pole, double-throw (SPDT) output relay. A421 Controls feature a bright backlit LCD with adjustable brightness and a three-button touchpad interface that can be set up to restrict user adjustments. An LED indicates the output relay's On/Off status. Standard A421 Series control modules have simple On and Off temperature settings for heating or cooling, an adjustable anti-short cycle delay, temperature setback, and sensor offset capability. The temperature control range is -40 to 212°F or -40 to 100°C. The A421 controls are available either in Type 1 (NEMA), IP20 (CE), high-impact plastic enclosures suitable for surface or DIN rail mounting or in Type 4X (NEMA), IP67 (CE) watertight, corrosion resistant surface mount enclosures.

## Features

- Easy-to-read, bright, adjustable backlit LCD screen displays the temperature, parameters
- Adjustable On and Off temperature set points enable easy to set up cooling or heating control
- Basic and advanced programming menus allow you to easily set up your control application on the LCD using a simple three-button touchpad interface
- Package Dimensions: 2.032 L x 14.605H x13.97W(centimeters)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00EKIVHS2 |
| Batteries Required? | No |
| Colour | Gray |
| Customer Reviews | 5.0 5.0 out of 5 stars (2) |
| Date First Available | 22 Jun. 2016 |
| Item Package Quantity | 1 |
| Item Weight | 136 g |
| Item model number | A99BB-600C |
| Manufacturer | Johnson Controls Inc |
| Material | HAWA |
| Part number | A99BB-600C |
| Product Dimensions | 12.7 x 11.43 x 3.81 cm; 136 g |
| Temperature Range | -40-100 Degrees Celsius |

## Images

![A99BB-600C Penn Series A99 PTC Temperature Sensor, Compatible with A421 Control, 2" Standard Probe with 19' 8-2/5" PVC Cable, Gray - Image 1](https://m.media-amazon.com/images/I/61+balbXwXL.jpg)

## Frequently Bought Together

- Johnson Controls A99BB-600C Penn Series A99 PTC Temperature Sensor, Compatible with A421 Control, 2" Standard Probe with 19' 8-2/5" PVC Cable, Gray
- Johnson Controls A421GBF-02C A421 Series Low-Voltage Type 1 Electronic Temperature Control with A99Bb-200C Temperature Sensor, 6.5 ft. (2m)

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**Shop now:** [https://www.desertcart.co.ke/products/502245984-a99bb-600c-penn-series-a99-ptc-temperature-sensor-compatible-a421](https://www.desertcart.co.ke/products/502245984-a99bb-600c-penn-series-a99-ptc-temperature-sensor-compatible-a421)

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-03-14*