Aquastat Hi/Lo Limit Controller | NBK-21048

NBK-21048 – Aquastat Hi/Lo Limit Controller – Special Order

The NBK-21048 Aquastat Hi/Lo Limit Controller is engineered to provide dependable temperature control for outdoor boilers, hydronic heating systems, and other water-based heating applications. It regulates high and low temperature cut-offs to safeguard systems against overheating while maintaining efficient heat delivery.

⚠️ SPECIAL ORDER NOTICE: This part is a special order item sourced from NBK and will have an additional 1–2 business day processing time prior to shipping.

Key Features:
✅ Hi/Lo Limit Control: Provides precise high and low temperature cut-out points to protect heating systems and ensure optimal performance
✅ Adjustable Differential: Fine-tune system cycling to meet specific heating needs
✅ Reliable Operation: Ensures the burner or circulator is activated or deactivated based on temperature thresholds, preventing excessive heat buildup
✅ Versatile Mounting: Ideal for use with outdoor boilers and hydronic heating units requiring direct immersion or surface mounting

Specifications:
📌 SKU: 21048
📌 Category: Outdoor Boiler / Limit Controllers
📌 Type: Aquastat Hi/Lo Limit Controller
📌 Application: Suitable for outdoor wood boilers, radiant floor systems, and hot water tanks

Equivalent To:

• Honeywell: L6006A1145

Typical Uses:

• Outdoor wood boilers and hydronic heaters

• Heating system loops where high-limit protection is required

• Hot water storage tanks needing controlled cycling

Why Choose This Aquastat:
The NBK-21048 offers trusted Honeywell-equivalent performance, giving you precise control over your system’s temperature range to maximize efficiency and safety. Built for demanding environments, it helps extend equipment life by maintaining stable operating conditions.

Shipping & Availability:
🚚 As a special order product from NBK, this item will ship after an additional 1–2 business day lead time to process your order.