Suburban Water Heater Manifold Outlet, DSI 171420

The Suburban 171420 Manifold Outlet, DSI is a gas fitting that carries LP gas between the gas valve and the burner. It is a genuine OEM replacement part.

Part Number: 171420

Fits

Fits Suburban direct spark ignition (D-series) water heaters: SW6D and SW10D above serial number 953401118, plus 12 and 16 gallon models. Pilot models use 171421 (SW3P/SW6P) or 171422 (SW10 pilot).

• SW6D
• SW10D
• SW12D
• SW16D

Specifications

• Aluminum
• 1/4 in O.D. tube
• Approx. 3 x 2 x 1-1/4 in

Why Replace It

A damaged, cracked or leaking fitting can starve the burner or leak propane.

Installation

Turn off the LP gas supply. Replace the fitting using gas-rated sealant where threads require it, then turn the gas on and leak-test every connection with soapy water before lighting the heater.

Estimated Installation Time

20 to 40 minutes

Tools Required

Wrenches, gas-rated thread sealant, leak-test solution

FAQ

Will this fit my water heater?
Check the model and serial number on your water heater's rating plate against the fit list above. If you're not sure, send us your model and serial number and we'll confirm the fit before you order.

Do I need a technician?
No. Most owners can replace this part themselves by following the steps above. If you're not comfortable working on the propane system, you can always hire an RV technician to come out. If you need assistance with the install, we're here for you.