The electrical instructions and diagrams contained in this manual and inside the spa control box are included as a guideline. Birch Bay Hot Tubs BR-4 ; Seats: 4 People ; Dimensions: 77” x 77” x 33” (196 x 196 x 84 cm) ; NOTE · All weights and volumes are approximate. Specifications, Clearwater Spa 12899 Control Panel Overlay Birch Bay 2 Pumps for select model Clearwater spas that use the TP600 control panel.and Wiring Instructions for all 240 volt Birch. Bay Hot Tubs™ are included in the Owner's. Manual and with each sub panel. WARNING: Removing or bypassing SPA MANUAL Luxury Series | Therapy Series | Recreation Series P.O. Box 2140 | Woodinville, WA 98072 | birchbayhottubs.com © July, 2012 | Birch Bay Hot Birch Bay Hot Tubs™ Manual, U.S./Canada, English, 10-15-12 · Birch Bay Hot Tubs™ Manual, Euro English, 10-15-12 · Birch Bay Hot Tubs™ Manual, Euro French, Enjoy a resort in your backyard every day with Birch Bay Hot Tubs. If the spa has a Circ Pump, it can be activated by pressing the “Light” button during Priming