BOILERS INSTALLATION & SERVICES

RSEI Technical Services specializes in the design, engineering, production, installation, operation, and maintenance of complete boiler packages, tailored to meet various international standards.
Our comprehensive boiler packages include:

Steam and Hot Water Boilers.
Boiler Feed Water Tanks.
Blowdown Vessels.
Condensate Recovery & Pumping Systems.
Steam and Condensate Piping with Complete Insulation and Cladding.

From system design to commissioning, RSEI delivers reliable and energy-efficient solutions for industrial, commercial, and institutional applications.

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A full solution for Flow Control Equipments

RSEI provides complete solutions for the supply of high-quality flow control equipment across steam chilled water and plumbing applications. Our comprehensive product range includes:

Steam accessories, Chilled Water and Plumbing Valves
Electric & Pneumatic Actuators
Y-Strainers, check valves,
Double Regulating Valves (DRV) &.prsessure reducing valve (prv)
Flexible Bellows & Rubber Expansion Joints.
All type of Flanges & Pipe Fittings

We partner with globally recognized brands such as TLV STEAM ENGINEERING ensuring reliability and performance in every project.

Gas Boilers & Heating Solutions

RSEI offers a full range of gas boiler solutions, including:

Direct Heating Calorifiers.
We ensure seamless integration into central heating systems, delivering reliable and energy-efficient performance tailored to your specific needs.

Floor-Standing Direct Gas Heating Boilers.

Wall-Hung Electric Boilers.

Buffer Tanks for Central Heating Systems.

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BOILER & BURNER SUPPORTED BRANDS

RSEI is a trusted supplier of genuine boiler and burner spare parts for a wide range of European, Italy, indian and U.S. boiler brands, supporting residential, commercial, industrial, and marine applications. We maintain a strategic inventory of critical spare parts to ensure fast delivery and minimal downtime for our clients.

Boiler Brands Include:

Fulton Boilers
Hurst Boilers
Lochinvar Boilers
Cleaver-Brooks Boilers
York-Shipley
Raypak Boilers
Thermax Boilers
Forbes Marshall Boilers
Roobey Loos Boilers
Bosch Boilers
Byworth Boilers
Cochran Boilers
Ormandy Hartley & Sugden Boilers
IVAR Boilers
Ferroli Boilers
Chinese Boiler Manufacturers

Burner Brands Include:

These components are essential for uninterrupted burner operation and are readily available for quick dispatch.

Nu-Way Burners (UK)
Unigas Burners / GP Burners (UK)
Riello Burners (Italy)
Weishaupt Burners
Dunphy Burners (UK)
Fulton
Unical Burners
Ecoflam (Italy)
B.R. (Italy)
Power Flame
Webster Burner Parts
Thermax Burners (India)
Forbes Marshall (India)
Howden Electric (UK)
TML (Italy)
Thermowatt (Italy)
Cotherm (Italy)
Benton Burners (Sweden)

THERMAL OIL BOILER SYSTEMS

RSEI offers fully automatic Thermal Oil Boilers in both horizontal and vertical configurations, designed with coil-type 3-pass or 4-pass wet back/dry back systems. These units are oil or gas-fired and operate on a forced draft combustion system, ensuring high efficiency and reliabilit

Horizontal or vertical design options
Coil-type construction for rapid heat transfer..
Wet back and dry back configurations.
Suitable for high-temperature process heating applications.
Output capacities ranging from 50,000 Kcal/hr to 5,000,000 Kcal/hr

Burners & Spare Parts Supply

Offset supplies a wide range of burners and genuine OEM spare parts from leading global manufacturers, delivering distinctive performance and reliable operation to keep your commercial and industrial systems running at peak efficiency.
We maintain critical spare parts in stock, including:

Burner Controllers
Electrodes
Nozzles
Fuel Pumps
meters.
Temperature and pressure gauges

Key Spare Parts & Controls Offered:

Auto flame micro-modulating system for burner management.
McDonnell & Miller level controls.
Asco solenoid valves.
Dungs gas regulators.
Siemens photocells, combustion controls.
Burner nozzles, electrodes, and fusible plugs
Boiler sight glass, steam traps, and bottom blowdown valves (Adca)
Transformers and boiler safety valves.
Spirax Sarco level sensors.
Gestra level controls.
Lesser safety valves, blowdown controls
Boiler tubes and gauges.
Pressure, level, oil, gas, and water flow meters.
Temperature and pressure gauges

STEAM ENGINEERING PODUCTS

RSEI offers a comprehensive range of high-quality products engineered for the oil and gas industry,Hotels hospitals including:

Our engineered solutions are designed to meet stringent industry standards, ensuring reliability, safety, and optimal performance in demanding oil and gas environments.

Isolation Joints.
Weld Overlay Flanges, Lateral Tees, Barred Tees, Hot Induction Bends.
Field Instruments (Pressure and Temperature Sensors).
Flow Meters, Analyzers & Flow Instruments (Ultrasonic, Magnetic, Vortex, Orifice Plates).
UL-Listed Fire Protection Valves
Steam and Thermal-Related Products
Cathodic Protection Systems – Impressed Current and Sacrificial Anodes
Refractory Materials (Thermal Insulation, Refractory Bricks, Refractory Cement)
UPVC & HDPE all types Pipes

Commercial & Industrial Calorifiers

RSEI supplies a wide range of commercial and industrial hot water calorifiers, designed for flexibility, performance, and durability. Our systems are fully customizable to meet both commercial and industrial requirements, with professional installation services that consistently earn high customer satisfaction.
Product Range & Capacity:

Storage capacities from 150 to 10,000 liters.
Multiple calorifiers can be connected in a system.
Compatible with solar heating systems, heat pumps, gas boilers, electric boilers, or electric heating elements

Types of Calorifiers Offered:

Storage Hot Water Calorifiers
Calorifiers with Internal Heating Coil
Removable Coil Type
Removable U-Tube Exchangers.
Removable Plate Heat Exchangers
Fully Electric Storage Calorifier Systems

All systems are engineered to achieve required capacities and meet high-efficiency standards, ensuring optimal hot water delivery across a range of applications — from hospitality and residential buildings to large-scale industrial facilities.

Calorifiers

VENTILATION SYSTEMS

MEP contractors looking for a cost-effective natural ventilation solution, the rsei wind driven turbine ventilator is preferred over any Indian or International competition. It’s strong aluminium construction and multi-layered labyrinth protection for bearings can withstand heavy wind and rain and has a long life even in conditions containing heavy dust and fumes.

A ventilation system is a system that manages air quality and temperature in an enclosed space by supplying fresh air and removing stale or polluted air. It plays a crucial role in maintaining healthy indoor environments by controlling humidity, diluting pollutants, and managing thermal comfort.

ventilation systems

Renewable Thermal Heating Solutions

Our qualified and highly experienced technical team is dedicated to delivering reliable services in the field of renewable thermal heating systems. .
We offer a wide range of solar water heating systems, including:

Natural/Thermosiphon Systems.
Forced Circulation Systems.

Our stand-alone systems are available in 150, 200, and 300-liter capacities, ideal for residential applications. For industrial and commercial needs, we provide Forced Circulation Systems ranging from 300 to 2,000 liters, with the flexibility to deliver larger capacities through modular configurations.

Solar PV Power Generation Systems

RSEI offers complete solutions for the supply, installation, and commissioning of Solar Photovoltaic (PV) Power Generation Systems, including local authority approvals.
We specialize in Dual Metering Systems, where the solar PV system is permanently connected to the utility grid. This setup allows excess energy generated during peak sunlight hours to be exported back to the grid, enabling users to earn credit for future use — maximizing energy efficiency and reducing electricity bills.
Offset ensures full compliance with local regulations and provides turnkey solar solutions for residential, commercial, and industrial applications.

RSEI team ensures full compliance with local regulations and provides turnkey solar solutions for residential, commercial, and industrial applications.