521099 Module Board 12V Compatible with Suburban Furnace DD-17-DSI NT-12S NT-12SE NT-16S NT-20S, Water Heater Ignition Control Circuit Boards Replace 520871 520814 520820 33550L AP4896608
$81.89
- $5.99 shipping from United States View details
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- Compatible Models: Compatible with DD-17-DSI NT-12S NT-12SE NT-16S NT-20S NT-16SE NT-20SE NT-24S NT-24SP NT-24M NT-25K NT-30SP NT-34S NT-42T, compatible with SF-20 SF-20F SF-25 SF-25F SF-30 SF-30F SF-35 SF-35F SF-42 SF-42F. Replace 521099
- High Reliability and Safety: The module board optimizes the combustion efficiency of the water heater by monitoring and controlling the combustion process, which improves the efficiency of hot water generation. Our control board has features such as overheat protection and leakage protection to help prevent potential safety issues and protect you and the water heater from potential dangers
- Rapid Response: The water heater control board should have a fast ignition function, good contact, the ability to quickly start the combustion system when the user needs hot water, to achieve rapid heating and supply of hot water
- Peace of Mind Camping: The ignition control board has temperature control and adjustment functions to ensure a continuous and stable supply of hot water, and you can easily set and adjust the water temperature of the water heater with stable performance, so you won't be in the embarrassing situation of bathing without hot water, providing you with a quality camping experience
- Plug and Play: Easy to install, it can be directly replaced with old or damaged board. If your auto ignition board malfunctions, it is advisable to promptly seek repairs or replacement to prevent situations where temperature control is inaccurate or hot water supply is stopped
- Compatible Models: Compatible with DD-17-DSI NT-12S NT-12SE NT-16S NT-20S NT-16SE NT-20SE NT-24S NT-24SP NT-24M NT-25K NT-30SP NT-34S NT-42T, compatible with SF-20 SF-20F SF-25 SF-25F SF-30 SF-30F SF-35 SF-35F SF-42 SF-42F. Replace 521099
- High Reliability and Safety: The module board optimizes the combustion efficiency of the water heater by monitoring and controlling the combustion process, which improves the efficiency of hot water generation. Our control board has features such as overheat protection and leakage protection to help prevent potential safety issues and protect you and the water heater from potential dangers
- Rapid Response: The water heater control board should have a fast ignition function, good contact, the ability to quickly start the combustion system when the user needs hot water, to achieve rapid heating and supply of hot water
- Peace of Mind Camping: The ignition control board has temperature control and adjustment functions to ensure a continuous and stable supply of hot water, and you can easily set and adjust the water temperature of the water heater with stable performance, so you won't be in the embarrassing situation of bathing without hot water, providing you with a quality camping experience
- Plug and Play: Easy to install, it can be directly replaced with old or damaged board. If your auto ignition board malfunctions, it is advisable to promptly seek repairs or replacement to prevent situations where temperature control is inaccurate or hot water supply is stopped
Compatible with DD-17-DSI NT-12S NT-12SE NT-16S NT-20S NT-16SE NT-20SE NT-24S NT-24SP
Compatible with NT-24M NT-25K NT-30SP NT-34S NT-42T
compatible with SF-20 SF-20F SF-25 SF-25F SF-30 SF-30F SF-35 SF-35F SF-42 SF-42F
Replace 521099
If your module board malfunctions:
The water heater control board is typically used to control the operation and temperature adjustment of the heater
If the board fails, it may result in the heater not working properly or being unable to provide an adequate supply of hot water
This can affect the showering experience in your RV, as you may not be able to obtain the desired temperature or a continuous supply of hot water
If the RV's hot water heater is integrated with the stove or cooking equipment, the heater is needed to provide hot water for cooking
A control board malfunction may result in the inability to obtain the required hot water supply, thus affecting cooking and culinary activities, as well as overall comfort and user experience
Note:
It is advisable to promptly seek repairs or replacement
This ensures that the hot water heater system can operate properly and provide a stable and suitable supply of hot water
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
| Shipping Method | Estimated Delivery | Cost |
|---|---|---|
| Free Shipping (US) | 5–10 business days | Free, available on eligible items |
| Standard Shipping (US to US by Item) | 5–10 business days | $5.95 for the first item, $3.00 each additional |
| Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $5.95, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
| Extended Delivery (Ships from Overseas Warehouse) | 10–20 business days | $14.99 for the first item, $2.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
- Email: support@ibspot.com
- Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
- The item must be unused, in the same condition as received, and in its original packaging.
- A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
- Perishable goods (for example, food, flowers, newspapers, magazines)
- Intimate or sanitary goods
- Hazardous materials or flammable liquids/gases
- Gift cards
- Downloadable software
- Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
- Books with obvious signs of use
- Opened CDs, DVDs, software, or vinyl records
- Items not in their original condition, damaged, or missing parts not due to our error
- Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We may provide a return shipping label for your return. If the return is due to our error, such as receiving the wrong item, a damaged item, or a defective product, we will cover the return shipping cost.
If the return is due to the customer’s reason, such as ordering the wrong item, changing your mind, or no longer needing the item, the original shipping fee and the return label fee will be deducted from your refund amount.
If a return is sent back without prior contact or without using our provided label, we cannot be held responsible for any return shipping costs or delivery issues.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
- In-store returns are refunded to the original form of payment or issued as a gift card.
- Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
- 5–7 business days for the return to reach our Returns Center.
- An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
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