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Siemens Pneumatic Thermostat Conversion Kit - Retrofit Kits
SiemensRetrofit Kits

Siemens Pneumatic Thermostat Conversion Kit

The SIEMENS Pneumatic Thermostat Conversion Kit (SKU 4E669) is a retrofit kit designed to replace Barber-Colman models. It features reverse thermostat action, vertical mounting with a beige cover, and a 2-pipe…

SKU 3G-OTH-70057

Brand
Siemens
Item
Pneumatic Thermostat Conversion Kit
Category
Retrofit Kits
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Technical Specifications

Siemens
Manufacturer Part Number
192-841
Type
: Barber-Colman/Honeywell/Johnson Controls/Robertshaw
Replaces Brand
Barber-Colman
Thermostat Action
Reverse
Manufacturer Model Number
192-841
Mounting Direction/Cover Color
Vertical/Beige
Number of Pipes/Air Flow Output
2 Pipes, High Volume
View Full Spec Sheet

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Pneumatic Thermostat Conversion Kit (SKU 4E669) is a retrofit kit designed to replace Barber-Colman models. It features reverse thermostat action, vertical mounting with a beige cover, and a 2-pipe, high-volume air flow output. The kit is identified by manufacturer part number 192-841.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens retrofit kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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POWERS Pneumatic Thermostat Conversion Kit: Barber-Colman/Honeywell/Johnson Controls/Robertshaw (MPN 192-850W). Key specifications — Thermostat Action: Direct; Mounting Direction/Cover Color: Vertical/White; Replaces Brand: Robertshaw; Manufacturer Model Number: 192-850W; Brand: POWERS; Number of Pipes/Air Flow Output: 2 Pipes, High Volume.
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SIEMENS Retrostat Kit: Barber Colman/Honeywell/Johnson/Powers/Robertshaw, Single Temp, 192-840W. Key specifications — Thermostat Action: Direct; Mounting Direction/Cover Color: Vertical/White; Replaces Brand: Robertshaw; Manufacturer Model Number: 192-840W; Brand: SIEMENS; Number of Pipes/Air Flow Output: 2 Pipes, High Volume.
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SIEMENS Retrostat Kit: Barber Colman/Honeywell/Johnson/Powers/Robertshaw, Single Temp, 192-840W. Key specifications — Thermostat Action: Direct; Mounting Direction/Cover Color: Vertical/White; Replaces Brand: Robertshaw; Manufacturer Model Number: 192-840W; Brand: SIEMENS; Number of Pipes/Air Flow Output: 2 Pipes, High Volume.
SIEMENS Pneumatic Thermostat Conversion Kit: Barber-Colman/Honeywell/Johnson Controls/Robertshaw (MPN 192-840). Key specifications — Thermostat Action: Direct; Mounting Direction/Cover Color: Vertical/Beige; Replaces Brand: Robertshaw; Manufacturer Model Number: 192-840; Brand: SIEMENS; Number of Pipes/Air Flow Output: 2 Pipes, High Volume.
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SIEMENS Pneumatic Thermostat Conversion Kit: Johnson Controls, Dual Temp, 194-3083, Vertical/Beige. Key specifications — Thermostat Action: Direct and Reverse; Mounting Direction/Cover Color: Vertical/Beige; Replaces Brand: Johnson Controls; Manufacturer Model Number: 194-3083; Brand: SIEMENS; Number of Pipes/Air Flow Output: 2 Pipes, High Volume.
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