Pentair Air Orifice Kit | MasterTemp 400 | 77707-0113 Pool Winter Covers The RLYSC relay kit provides

The RLYSC relay kit provides the switching function that allows the LX220 and LX820 power centers to control the booster pump circuit within the Compool solar control system

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IntelliPro® VS 3050

Pentair Air Orifice Kit | MasterTemp 400 | 77707-0113 Pool Winter Covers The RLYSC relay kit providesThe Pentair Air Orifice Kit (77707 0113) is the OEM replacement air orifice assembly for the MasterTemp 400 gas heater, covering both natural gas (400NA) and liquid propane (400LP) configurations. IMPORTANT: KIT LISTING INCLUDES ITEMS 6 AND 7 This listing is a kit, not a single orifice. It includes Item Nos. 6 and 7 from the MasterTemp 400 exploded parts diagram. Confirm both components are required before ordering. IMPORTANT: HEATER COMPONENT