Fantini CosmiSwitches & Thermostats

Fantini Cosmi Room thermostat CH111 silver

The Fantini Cosmi CH111 is a room thermostat for HVAC systems offering comfort, economy, and frost-protection modes across a 2–40°C operating range. Powered by 2× AAA 1.5V batteries, it provides reliable temperature…

SKU 3G-CBM-03672

Also listed as: FAN 52004 · FAN-52004

Brand

Fantini Cosmi

Item

Room thermostat CH111 silver

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Fantini Cosmi

model

CH111 

modes

comfort, economy, off/frost protection 

power

2× AAA batteries 1.5V 

tension v

2 piles AAA 1,5V 

temperature range

2–40°C 

Datasheet Content

CODICE PRODOTTO                                    CLASSE ENERGETICA                 CODICE PRODOTTO                                    CLASSE ENERGETICA
            Product Code                                           Energy Class                  Product Code                                           Energy Class
            Référence Produit                                   Classe Energétique               Référence Produit                                   Classe Energétique
            Código Producto                                      Clase Energética                Código Producto                                      Clase Energética
            Produkt Referenz                                      Energie-Klasse                 Produkt Referenz                                      Energie-Klasse

            C16 - C16L - C16I - C16IL - C16EH - C16EHL                I; 1%                      C16 - C16L - C16I - C16IL - C16EH - C16EHL                I; 1%

            C31                                                       IV; 2%                     C31                                                       IV; 2%

            C32                                                       IV; 2%                     C32                                                       IV; 2%

            C44 - C44B - C44C                                        IV; 2%                      C44 - C44B - C44C                                        IV; 2%

            C47 - C47B - C47C - C47EH - C47EHB                        I; 1%                      C47 - C47B - C47C - C47EH - C47EHB                        I; 1%

            C48 - C48B - C48C                                         I; 1%                      C48 - C48B - C48C                                         I; 1%

            C50 - C50B - C50C                                        IV; 2%                      C50 - C50B - C50C                                        IV; 2%

            C55AX                                                    IV; 2%                      C55AX                                                    IV; 2%

            C57 - C57C - C57CT - C57N - C57RF                        IV; 2%                      C57 - C57C - C57CT - C57N - C57RF                        IV; 2%

            C58 - C58C - C58CT - C58N - C58RF                        IV; 2%                      C58 - C58C - C58CT - C58N - C58RF                        IV; 2%

            C60                                                       I; 1%                      C60                                                       I; 1%

            C61                                                       I; 1%                      C61                                                       I; 1%

            C63                                                       I; 1%                      C63                                                       I; 1%

            C67 - C67C - C67N                                        IV; 2%                      C67 - C67C - C67N                                        IV; 2%

            C68 - C68C - C68N                                        IV; 2%                      C68 - C68C - C68N                                        IV; 2%

            C804                                                      I; 1%                      C804                                                      I; 1%

            C83                                                       I; 1%                      C83                                                       I; 1%

            CH110 - CH110R                                           IV; 2%                      CH110 - CH110R                                           IV; 2%

            CH111                                                    IV; 2%                      CH111                                                    IV; 2%

            CH112                                                    IV; 2%                      CH112                                                    IV; 2%

            CH115 - CH15-16 - CH115RF - CH115TS                      IV; 2%                      CH115 - CH15-16 - CH115RF - CH115TS                      IV; 2%

            CH116                                                    IV; 2%                      CH116                                                    IV; 2%

            CH117                                                    IV; 2%                      CH117                                                    IV; 2%

            CH121 - CH121TS                                          IV; 2%                      CH121 - CH121TS                                          IV; 2%

            CH123 - CH123TS                                          IV; 2%                      CH123 - CH123TS                                          IV; 2%

            CH130AR - CH130ARF - CH130R - CH130RF                    IV; 2%                      CH130AR - CH130ARF - CH130R - CH130RF                    IV; 2%

            CH140GSM                                                 IV; 2%                      CH140GSM                                                 IV; 2%

            CH141A - CH141A-EC                                       IV; 2%                      CH141A - CH141A-EC                                       IV; 2%

            CH143A - CH143MB                                         IV; 2%                      CH143A - CH143MB                                         IV; 2%

            CH150 - CH150-16 - CH150R - CH150RF - CH150REV                                       CH150 - CH150-16 - CH150R - CH150RF - CH150REV
                                                                     IV; 2%                                                                               IV; 2%
            CH150RBS - CH150TS - CH150TSMB - CH150MB                                             CH150RBS - CH150TS - CH150TSMB - CH150MB

            CH151 - CH151MB                                          IV; 2%                      CH151 - CH151MB                                          IV; 2%

            CH152 - CH152MB                                          IV; 2%                      CH152 - CH152MB                                          IV; 2%

            CH191 - CH191B                                           IV; 2%                      CH191 - CH191B                                           IV; 2%

            CH193 - CH193B                                           IV; 2%                      CH193 - CH193B                                           IV; 2%

            65C-00201-00A - 65C-00251-00A - 65C-01331-00A                                        65C-00201-00A - 65C-00251-00A - 65C-01331-00A
                                                                      I; 1%                                                                                I; 1%
            65C-02331-00A - 65C-03331-00A                                                        65C-02331-00A - 65C-03331-00A

            EV02F                                                     II; 2%                     EV02F                                                     II; 2%

            EV05M                                                     II; 2%                     EV05M                                                     II; 2%

            EV60                                                      V; 3%                      EV60                                                      V; 3%

            EV80                                                     VI; 4%                      EV80                                                     VI; 4%

            EV83                                                     VI; 4%                      EV83                                                     VI; 4%

            EV84A                                                    VI; 4%                      EV84A                                                    VI; 4%

            EV85                                                     VI; 4%                      EV85                                                     VI; 4%

            EV87                                                     VI; 4%                      EV87                                                     VI; 4%

            EV90                                                      II; 2%                     EV90                                                      II; 2%

            EV91A                                                     II; 2%                     EV91A                                                     II; 2%

          CODICE PRODOTTO                                    CLASSE ENERGETICA                 CODICE PRODOTTO                                    CLASSE ENERGETICA
          Product Code                                           Energy Class                  Product Code                                           Energy Class
          Référence Produit                                   Classe Energétique               Référence Produit                                   Classe Energétique
          Código Producto                                      Clase Energética                Código Producto                                      Clase Energética
          Produkt Referenz                                      Energie-Klasse                 Produkt Referenz                                      Energie-Klasse

          C16 - C16L - C16I - C16IL - C16EH - C16EHL                I; 1%                      C16 - C16L - C16I - C16IL - C16EH - C16EHL                I; 1%

          C31                                                      IV; 2%                      C31                                                      IV; 2%

          C32                                                      IV; 2%                      C32                                                      IV; 2%

          C44 - C44B - C44C                                        IV; 2%                      C44 - C44B - C44C                                        IV; 2%

          C47 - C47B - C47C - C47EH - C47EHB                        I; 1%                      C47 - C47B - C47C - C47EH - C47EHB                        I; 1%

          C48 - C48B - C48C                                         I; 1%                      C48 - C48B - C48C                                         I; 1%

          C50 - C50B - C50C                                        IV; 2%                      C50 - C50B - C50C                                        IV; 2%

          C55AX                                                    IV; 2%                      C55AX                                                    IV; 2%

          C57 - C57C - C57CT - C57N - C57RF                        IV; 2%                      C57 - C57C - C57CT - C57N - C57RF                        IV; 2%

          C58 - C58C - C58CT - C58N - C58RF                        IV; 2%                      C58 - C58C - C58CT - C58N - C58RF                        IV; 2%

          C60                                                       I; 1%                      C60                                                       I; 1%

          C61                                                       I; 1%                      C61                                                       I; 1%

          C63                                                       I; 1%                      C63                                                       I; 1%

          C67 - C67C - C67N                                        IV; 2%                      C67 - C67C - C67N                                        IV; 2%

          C68 - C68C - C68N                                        IV; 2%                      C68 - C68C - C68N                                        IV; 2%

          C804                                                      I; 1%                      C804…

Technical Documents

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Fantini Cosmi Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

Where can I buy a Fantini Cosmi CH111 thermostat in your region?

3G Electric supplies the Fantini Cosmi CH111 room thermostat for order. We handle delivery to your location, manage customs documentation, and provide USD invoicing. Contact us for lead times and quotations on this thermostat model.

What is the operating temperature range of the Fantini Cosmi CH111?

The CH111 operates across a 2–40°C temperature range, making it suitable for residential and light commercial HVAC applications. It offers comfort, economy, and frost-protection modes for flexible climate control.

How is the Fantini Cosmi CH111 powered?

The CH111 is powered by 2× AAA batteries rated at 1.5V each. Battery-powered operation provides flexibility for installation without requiring 230V AC wiring, ideal for retrofits and existing HVAC systems.

Used in

Common applications for Fantini Cosmi

Oil-fired boiler burner control — Fantini Cosmi ambient thermostat C16I and pressure switch B12HNY for fuel-pump lockout and room-temperature feedback.

Pneumatic compressor load management — B12DN or B13CN pressure switch for unload-valve control and tank cutout in 5–150 bar air systems.

Hydronic heating-plant commissioning — B12GNY and B12CRNY switches for pump-discharge and low-pressure monitoring in chilled-water and hot-water loops.

Industrial steam and hot-water vessel safety — B12HNY high-pressure switch and A96D/A95B level regulators for water-level and overpressure interlocks.

Thermal-storage tank management — A95B and A96D liquid-level regulators with 15-meter cable reach for boiler-makeup and expansion-tank applications.

Portable pump and pressure-test equipment — B12DN with adjustable differential for mobile hydraulic-circuit monitoring and component proof-pressure validation.

Fantini Cosmi Products

3G Electric supplies Fantini Cosmi switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all Fantini Cosmi products →Contact our engineers →