We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

RHEEM High Altitude Kit: Mfr Part # SP21065, For Tank Heaters - High-Altitude Conversion Kits for Water Heaters
RHEEMHigh-Altitude Conversion Kits for Water Heaters

RHEEM High Altitude Kit: Mfr Part # SP21065, For Tank Heaters

The RHEEM High Altitude Kit (Mfr Part # SP21065) is a conversion kit for tank heaters, featuring a 3/16 in connection size. It is compatible with manufacturer part number GNU 100-200.

SKU 3G-OTH-457047

Brand
RHEEM
Item
High Altitude Kit: Mfr Part # SP21065, For Tank Heaters
Category
High-Altitude Conversion Kits for Water Heaters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

RHEEM
Manufacturer Part Number
SP21065
Type
For Tank Heaters
Product Type
High Altitude Kit
Connection Size
3/16 in
Compatible Manufacturer Part Number
GNU 100-200
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The RHEEM High Altitude Kit (Mfr Part # SP21065) is a conversion kit for tank heaters, featuring a 3/16 in connection size. It is compatible with manufacturer part number GNU 100-200.

Frequently Asked Questions

What is the RHEEM High Altitude Kit SP21065 used for?

The RHEEM High Altitude Kit SP21065 is used to adjust tank heaters for proper combustion at elevations above 2,000 feet. It ensures safe, efficient operation by re-calibrating the gas-air mixture, preventing incomplete burn and carbon monoxide issues in high-altitude installations.

What are the specifications of the RHEEM High Altitude Kit SP21065?

The RHEEM High Altitude Kit SP21065 is a conversion kit for tank heaters with a 3/16 in connection size. It is compatible with manufacturer part number GNU 100-200. The kit includes components needed to modify the burner assembly for altitudes above 2,000 feet.

Where to buy the RHEEM High Altitude Kit SP21065 worldwide?

3G Electric supplies the RHEEM High Altitude Kit SP21065 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time; we source genuine RHEEM parts for tank heater conversions.

How to install the RHEEM High Altitude Kit SP21065?

Installation of the RHEEM High Altitude Kit SP21065 requires shutting off gas and power, draining the tank, and replacing the existing orifice with the kit's 3/16 in fitting. Follow the manufacturer's instructions for adjusting the gas valve regulator. Always test for leaks and verify combustion after installation.

Used in

Common applications for RHEEM
Commercial building hot water supply — Rheem Triton SS GHE100SS-160 condensing gas water heater for high-volume demand
Industrial process water heating — Rheem ST175A 175-gallon storage tank for buffer capacity in boiler systems
Point-of-use hot water in workshops — Rheem EGSP6 6-gallon compact electric water heater for sink or handwash stations
Light commercial facility heating — Rheem PROPH80 T2 RH400-SO heat pump water heater for energy-efficient hot water
Multi-unit residential complexes — Rheem PROPE50 T2 RH CG 50-gallon electric water heater for apartment hot water systems
Restaurant kitchen hot water — Rheem ELDS30-FTB 28-gallon commercial electric water heater for dishwashing and sanitation

RHEEM Products

3G Electric supplies RHEEM high-altitude conversion kits for water heaters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from RHEEM

View all RHEEM parts
RHEEM High Altitude Kit: Mfr Part # SP21066, For Tank Heaters, 3/16 in Connection Size. Key specifications — Compatible Manufacturer Part Number: GNU 100-250; Product Type: High Altitude Kit; Brand: RHEEM; Manufacturer Part Number: SP21066.
RHEEM
RHEEM High Altitude Kit: Mfr Part # SP21066, For Tank Heaters, 3/16 in Connection Size. Key specifications — Compatible Manufacturer Part Number: GNU 100-250; Product Type: High Altitude Kit; Brand: RHEEM; Manufacturer Part Number: SP21066.