How does semi-recessed mounting work

Plan one B-3588 per stall in commercial restrooms specifying standard-core toilet tissue

✅ Chrome- plated plastic spindle holds rolls up to 5-1/8" (130mm) diameter (1500 sheets)

Battery Operated: Powered by four (4) D-size batteries (not included)

and compatible with commercial cleaning chemicals used in daily restroom maintenance

Bradley S07-066 Foot Valve Assembly for Wash Fountains Height-25-7/8" How does semi-recessed mounting workBradley S07 066 Foot Valve Assembly for Wash Fountains Compatible Mfr. Model Number WF2503, WF2504, WF2505, WF2508, WF2603, WF2604, WF2605, WF2608, WF2613, WF2703, WF2704, WF2705, WF2708, WF2803, WF2804, WF2805, WF2808