KickStart MPR1 Hard Start Kit 3.5–5 HP AC HVAC Compressor Booster 208-265V

SKU: MPR1

Weight	1.5 lbs
Dimensions	8 × 8 × 8 in

$106.92

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.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$106.92	0%
5–9	$101.57	5%
10+	$96.23	10%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order.

Bulk quantity & quote

Quantity needed

Enter the total quantity you need. We will confirm availability and a quote before you order.

Need a firm ship date? Availability may include supplier stock. Confirm availability before ordering for time-sensitive work.

KickStart MPR1 Hard Start Kit 3.5–5 HP AC HVAC Compressor Booster 208-265V

Specifications & product details

Overview

The KickStart® Hard Start Device (MFG# MPR1) is a performance-enhancing capacitor relay module designed to optimize startup for single-phase 208V–265V HVAC compressors ranging from 3.5 to 5 HP. Ideal for both new installations and retrofits, this unit is OEM-approved by brands such as York, Goodman, and Ducane, ensuring safe permanent installation.

Key Features

Delivers up to 10x faster startup than systems without a hard start device.Helps reduce power draw and compressor stress, increasing long-term system reliability.Compatible with central air conditioning, heat pumps, and refrigeration units.For use with residential and light commercial HVAC systems, including those powered by natural gas, LP, or propane heat sources.Compatibility:Designed for compressors from 3.5 to 5 horsepowerVoltage: 208–265 VACWorks with OEM systems from York, Goodman, Ducane, and moreRecommended for new compressor installations, gas heat pumps, or worn systemsSpecifications:Voltage Range: 208–265VHorsepower Range: 3.5–5 HPIncludes: Start capacitor and relay in protective housingInstallation: Permanent (approved for OEM retrofit)Upgrade your HVAC system with KickStart MPR1 to ensure smoother compressor performance and long-term durability — especially in propane or gas-assisted heating systems.

Product details

Part / SKU	MPR1

Package includes

KickStart MPR1 Hard Start Kit 3.5–5 HP AC HVAC Compressor Booster 208-265V

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

Compatibility & part-number help

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.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Shipping & availability

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.

Shipping methods and charges appear at checkout where available. Freight, oversized and specially handled items may require a quote. See our Shipping Policy for processing periods, restrictions and delivery information.