Weathermatic - 2-Zone Expansion Module for SL800/PL800 - SLM2
Weathermatic - 2-Zone Expansion Module for SL800/PL800 - SLM2 is backordered and will ship as soon as it is back in stock.
Why so “cheap” at CheapSprinklers? Low prices by design — same parts, no compromise
Our prices are lower because of how we run our business — not because the product is different — and we pass those efficiencies directly on to you.
You’re receiving the same brand-new, factory-sealed item sold by big-box, supply-house, or bloated online-warehouse sellers — delivered direct to you, for less.
- Bulk Purchasing: We buy in high volume to lower per-unit cost
- Low Overhead: No physical storefronts or unnecessary middlemen
- Price-First Model: Our business is built around keeping everyday prices as low as possible — so you can put the savings toward other projects or your business.
- Fast & Efficient Fulfillment: Streamlined US warehouse operations keep costs down and orders moving fast.
The Result: Genuine products with full manufacturer warranty — delivered fast, without paying inflated big-box, supply-house, or bloated online-warehouse markups for the same parts.
CheapSprinklers Product Guarantee How we guarantee authenticity and warranty coverage
All products sold by CheapSprinklers are brand new and factory sealed. This Weathermatic Expansion Module (SLM2) is sourced directly from Weathermatic and ships from us in new-in-box retail packaging.
We’ve been sourcing and supporting irrigation products for professionals and DIYers through both brick-and-mortar and online channels since 1981.
If there’s ever an issue, CheapSprinklers stands behind what we sell and will help coordinate any warranty claim or replacement.
- Genuine New Weathermatic Expansion Module: no knockoffs, no refurbished, no old stock
- Factory Sealed: shipped in original new-in-box retail packaging
- Current Production Inventory: no discontinued or clearance stock
- Complete Weathermatic Warranty: full manufacturer coverage begins when your order is delivered
The Result: Peace of mind. You’re installing top-quality equipment — and if there’s ever an issue with this Expansion Module, you’re fully supported by CheapSprinklers and Weathermatic.
2-Zone Module for SL800 & PL800.
- Adds 2 stations to the Weathermatic SL800/PL800 Controller/Timer.
- The controller will automatically recognize the additional zones as they are installed. No special programming or resetting is required to initialize the modules.
- You can insert or remove a module without removing power from the controller.
- To install a module, push the module into the channels until you feel it lock in place. To remove a module, push DOWN on the center release panel on the top of the module and use the top tab to pull it out.
Note: Modules must be inserted in the sequence of numbered zones. Do not leave any gaps in module positions.
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