About Sarlkig
Sarlkig supplies water heaters, boilers and refrigerant to plumbers, HVAC technicians, contractors and property managers across the United States. We keep stock in a U.S. warehouse, ship free on every order, and dispatch within one business day.
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What we stock, and why
We focus on the lines installers ask for most: Rinnai and Navien tankless water heaters, combi and heat-only boilers, wall furnaces and heaters, and the refrigerants that keep HVAC and refrigeration systems running — R-410A, R-22, R-134a, R-404A, the low-GWP replacements and genuine Honeywell gases.
Keeping a focused range means we can hold real stock, know the products, and get them out the door the next business day.
How we handle regulated goods
Refrigerant is a restricted product and we treat it that way. Restricted lines are sold only to buyers permitted to purchase them, and shipped in the manufacturer's packaging with the required hazard markings. Gas appliances are sold for installation by licensed professionals. Read our refrigerant compliance policy.
What we promise
- Factory-new appliances and factory-sealed cylinders — never refurbished or refilled
- Full manufacturer warranty on every appliance, and 30-day defect cover on refrigerant
- Free shipping on every order, dispatched within 1 business day
- 90-day returns on unopened items, with no restocking fee
- Damaged or wrong items replaced or refunded — usually without sending them back