Lumien L3S1-3-6W-27K-WH Linear, Integrated Non-Modular, Silicone-Injected - White, Side-Flex - 3' Section, 6W, 72 Lm/Ft, 2700K, 10-15V Type_Deck Lights It turns the gas heater

It turns the gas heater off before the circulation pump stops so heat can continue moving through the system briefly

and other repair components are sold separately unless specifically stated

Dimensions: Approximately 27-1/2 inches x 15-1/2 inches x 1 inch high

Compatible accessory references from base spec sheet: BG-4850

Big Frog Supply identifies the exact small-left orientation

Lumien L3S1-3-6W-27K-WH Linear, Integrated Non-Modular, Silicone-Injected - White, Side-Flex - 3' Section, 6W, 72 Lm/Ft, 2700K, 10-15V Type_Deck Lights It turns the gas heaterProduct Description: Dimension: 0. 39" X 0. 39" Constant voltage, Max run (single end feed) 20 ft, 2. 81" as min section Matte treatment, smooth surface and resistant to dust 5 20ft has double leads Product features: Always keep a factory seal Can be cut as small as 2. 81" Can be installed both as rigid and flexible Dimmable 67 Rating 5 years Warranty Lumens 72 Temperature 2700 Voltage 12VAC RGB No CRI 80+