Find the right roof jack to seal and connect your evaporative cooler to the rooftop efficiently. This guide highlights five top options, explaining who each is best for and why. Use this to choose a roof jack that matches your cooler size and installation needs, while avoiding common fit problems. The top picks cover standard 18-inch squares, downdraft and roof vent configurations, and universal bases suitable for different brands.
| Product | Brand | Best For |
|---|---|---|
| DIAL 18 in x 18 in Evaporative Cooler Roof Jack 78317 | Dial | Standard 18″ square roofs; simple, reliable fit |
| SUNICO Down Draft Swamp Cooler Cover | SUNICO | Protection and fit for 34″x34″ downdraft units |
| Nordyne 104060024 49-59″ Roof Jack Assembly | Nordyne | Durable, OEM-style option for larger units |
| Norcold 625161BBK Roof Jack Base | NORCOLD INC | Replacement base for compatible systems |
| Rheem Roof Jack – 30-60 Adjustable Kit | Rheem | Adjustable kit for varied venting and direct-vent needs |
DIAL 18 in x 18 in Evaporative Cooler Roof Jack 78317
The DIAL roof jack is a straightforward, standard option for 18″ by 18″ evaporative cooler openings. Best for buyers who want a simple, direct fit without extra accessories. This jack is selected for its compatibility with common 18″ roof openings and ease of installation. A potential limitation is that some installations may require additional flashing or sealant depending on your roof type. Consider this choice when your cooler uses an 18″ square exhaust and you prioritize a basic seal.
SUNICO Down Draft Swamp Cooler Cover
This product is a specialized rooftop cover, designed for 34″W x 34″D x 36″H downdraft evaporative coolers. It includes two metal buckles and adjustable straps to secure the cover against wind and weather. It is best for owners seeking long-term protection from rain, debris, and UV damage while preserving cooler efficiency. A limitation is the need to verify exact cooler dimensions before purchase, as mismatches can hinder installation. Choose this if your unit matches the specified dimensions and you want robust weatherproofing.
Nordyne 104060024 49-59″ Roof Jack Assembly
This roof jack assembly from Nordyne is presented as a genuine replacement part for a range of miller furnaces and similar setups. The size range (49-59″ assembly) makes it suitable for larger installations or where OEM compatibility is required. Best for builders prioritizing a genuine replacement part with established fit for compatible models. A caution is that product specifications emphasize its status as a replacement part rather than a universal fit, so verify compatibility with your unit’s model and ducting requirements.
Norcold 625161BBK Roof Jack Base
NORCOLD’s 625161BBK base is a replacement component intended for NORCOLD roof jack assemblies. It’s best for owners who need to restore a base connection for a cold-weather evaporative setup. This option is selected for compatibility with NORCOLD units or similar designs requiring a dedicated base. A limitation is that it may not fit other brands without additional adapters or parts, so confirm model correspondence before purchase.
Rheem Roof Jack – 30-60 Adjustable Kit
The Rheem adjustable roof jack and vent kit cover a wider range, from 30 to 60 inches, making it versatile for varied venting needs or larger direct-vent installations. Best for buyers who require an adaptable solution that can accommodate different roof openings or configurations. The kit’s limitation is that it is oriented toward direct-vent water heaters or similar equipment, so verify that your setup aligns with the kit’s intended purpose and mounting requirements.
Buying Guide: Key Purchase Considerations
What roof jack size do I need? Measure your cooler’s opening and rooftop vent dimensions. Choose a jack that matches or allows a compatible seal without gaps.
Is the unit compatible with my cooler brand? Some jacks are brand-specific or designed for certain models. Check OEM recommendations when available and verify model numbers.
What installation conditions matter? Roof material, weather exposure, and flashing requirements influence seal integrity and durability. Consider jacks with weatherproof features and rust-resistant components.
Should I prioritize replacement parts or universal adapters? If you have an unfamiliar or older setup, a universal or adaptable kit can reduce misfits, but OEM parts often guarantee better fit and performance.
Do I need protection against downdraft or wind? Downdraft-specific covers and buckled straps reduce wind ingress and improve longevity in windy climates. If you expect heavy wind, choose reinforced and adjustable options.
Frequently Asked Questions
- What is a roof jack used for in evaporative cooling? It seals the connection between the roof vent and the cooler, preventing air leaks and water intrusion.
- Can I install a roof jack on any roof type? Installation depends on roof material, vent sizing, and flashing compatibility. Verify with product specs and, if needed, consult a professional.
- Do roof jacks require sealant or flashing? Yes, most installations benefit from appropriate sealants and flashing to ensure weatherproofing and durability.
- Are universal roof jacks as effective as OEM parts? Universal options offer flexibility but may require more customization to achieve a perfect fit.
- How do I know which product is best for my unit? Match the jack size and mounting configuration to your cooler’s opening, roof type, and manufacturer recommendations.
- Is wind resistance important for roof jacks? Yes, wind-resistant designs help prevent movement and leaks in exposed rooftop installations.