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TGThermostats

TG Double immersion aquastat external adj.0-90°C - external adj.30-120°C

TG double immersion aquastat with external adjustment for HVAC and hydronic systems. Offers dual temperature ranges: 0–90 °C and 30–120 °C with 1 1/2–14 NPT connection. Ideal for boiler and water heating applications…

SKU 3G-CBM-06894

Also listed as: THG 35003 · THG-35003

Brand
TG
Item
Double immersion aquastat external adj.0-90°C - external adj.30-120°C
Category
Thermostats
UNSPSC
39122229 — Temperature switch
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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

TG
connection
1 1/2–14 NPT
temperature range 1 external knob
0–90 °C
temperature range 2 external knob
30–120 °C

Datasheet Content

49 100 103 SCHEMA ELETTRICO Wiring diagram [7 ii1/2-14 NPT 16] Cu SCHEMA ELETTRICO Wiring diagram Caratteristiche tecniche / Technical characteristics Campo di regolazione 2 — manopola esterna 30 = 120 °C Temperature range 2 — external knob ~ Campo di regolazione 1 — manopola esterna 0=90°C Temperature range 1 — external knob ~ Tolleranza / tolerance 1 — 2 temp. min.t6°C temp. max +4°C Differenziale / differential 1 — 2 62 °C Rotazione perno termostato 1 — 2 2 Thermostat pin rotation 1 — 2 a 270 Coperchio / Cover RAL 7035 Base, manopola, passacavi / Base, knob, cable gland RAL 7042 Portata nominale dei contatti 16 (4)A 250V ~ Contacts rating 6 (1)A 400V ~ Tensione impulsiva nominale / Rated impulsive voltage 4 kV Classe di isolamento / Insulation grade | Gradiente termico / Thermal gradient 1°C/min Limite di temperatura della testa di comando T 85 Temperature limit of thermostat head Utilizzare conduttori resistenti al calore almeno T 140°C To apply heat resistant conductors of minimum Messa a terra del dispositivo: morsetti a vite Device earthing: screw clamp Montaggio Fissaggio mediante guaina filettata Assemblijy Fixing through threaded sheath Grado di protezione/Protection grade IP43 Con pezzo orizzontale o verticale con passacavo verso il basso Horizontally monuted or vertically with the cable gland downwards Tipo di azione/Type of action 1B Situazione di inquinamento del dispositivo di comando 2 Pollution level of the control device Certificazioni/ Approval ENEC 03 — C€0497 (PED) REV. DATA DESCRIZIONE MODIFICHE DISEGNATO | APPROVATO: AQ IDESCRIZIONE SCALA TERMOSTATO REGOLABILE DOPPIO IN CUSTODIA HW EHO} ENCASED DOUBLE ADJUSTABLE THERMOSTAT /PRODOTTO. CLIENTE DISEGNATO DATA ZR. [31/10/06 SSOSTITUISCE IL ‘STATO PESO GREZZO | APPROVATO. DATA | 8G1 .ER601 .OOA C.F. 31/10/06 QUOTE SENZA INDIC. DI TOLLERANZA SOSTITUITO DA TRATTAMENTO TERMICO E/O SUPERFICIALE AQ DATA D.B. [31/10/06 [CODICE SEMILAVORATO. CODICE MATERIA PRIMA T&G SPA Via T. Edison, 2 - 20040 BURAGO M. MILANO ||PISEGNO N. neserisctt 8P1.ER606.00A

Technical Documents

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

Product Description

TG double immersion aquastat with external adjustment for HVAC and hydronic systems. Offers dual temperature ranges: 0–90 °C and 30–120 °C with 1 1/2–14 NPT connection. Ideal for boiler and water heating applications requiring precise temperature control.

Frequently Asked Questions

Where can I order the TG THG35003 aquastat in your region?

Order from 3G Electric. We deliver to your location with full logistics and customs handling to your location. Lead time on request—contact our team with your quantity and delivery address.

What are the dual temperature ranges on this aquastat?

The TG THG35003 offers two external adjustment ranges: 0–90°C for standard applications and 30–120°C for high-temperature systems. Both knobs allow precise field tuning without tools.

What connection type does this aquastat use?

This double immersion aquastat connects via 1½–14 NPT threaded ports, standard for North American and many international boiler and water heating installations.

Used in

Common applications for TG
Boiler safety limit control — TG safety aquastat (THG70002) with manual reset and fixed 110°C calibration for overheat shutdown in commercial/industrial steam systems
Hydronic heating-system temperature regulation — TG sealed aquastat (THG60010, IP55) with adjustable 0–60°C range and internal adjustment for closed-loop hot-water circuits
Chiller or cooling-loop setpoint control — TG thermostat with external adjustment (THG60008, 0–40°C) for maintaining process or comfort cooling within narrow differentials
Boiler outlet or tank temperature monitoring — TG rectangular thermometer (THG80005, 0–120°C, 3 m capillary) for visual verification of system temperature without electrical integration
Condensate or fluid-level aquastat — TG aquastat with internal adjustment (THG45008, 70–110°C, 1.5 m capillary) for heating-system protection and pump staging in district or building heating plants

TG Products

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

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