
White Rodgers 21M51U-843 Universal 2-Stage Furnace Control Kit
Part/SKU: 21M51U-843
| Weight | 3 lbs |
|---|---|
| Dimensions | 8 × 8 × 8 in |
| Condition | New |
| Manufacturer Part Number | V110F1010/U |
| Brand | Resideo |
$263.42
In stock — available to order.
Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.
Available to order.
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Honeywell / Resideo V110F1010/U 3/4″ NPT Thermostatic Radiator Valve – Angle Body
This Brand New V110F1010/U thermostatic radiator valve (TRV) provides precise room temperature control by modulating hot water or steam flow through radiators and baseboard heating systems.
Designed as a non-electric solution, this valve installs directly in place of a manual radiator valve. The thermostatic actuator mounts directly onto the valve body to automatically regulate room temperature.
Key Specifications:
• 3/4″ NPT female inlet
• Male union outlet connection
• Angle body design
• Adjustable temperature range: 55°F – 90°F
• Maximum pressure: 25 PSI (water), 15 PSI (steam)
• Brass valve body construction
Ideal for:
• Hot water radiator systems
• Steam heating systems
• Baseboard heating
• Residential & light commercial hydronic heating
This valve allows energy-efficient temperature control without electrical wiring, making it perfect for retrofit installations and system upgrades.
Perfect for HVAC technicians, plumbing contractors, and hydronic heating professionals.
This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.
The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.
It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.
Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.
The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.
By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.
Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.
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Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.
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