I have done both the thermocouple sensor and the themal fuse-the former cost (parts) $18, the latter $16 at a plumbing supply house. Each took about 30 minutes to replace and I did it myself. Our local service plumber quoted $75 + parts-most of which was the show-up fee-and $50/hour after the first hour.
Using the squatty potty for elimination will reduce straining and decreases the pressure in the veins. The reduction of straining will help to heal and prevent hemorrhoids. It will also reduce the risk of bowel herniation and other damage to the lower digestive tract. The Squatty Potty is attractive and will discretely tuck under your toilet bowl when not in use.
Key to Prevention: Stop Straining. For many people, hemorrhoids are caused by straining during bowel movements, especially with constipation. Pregnancy, lack of exercise, immobility, age, certain medical conditions, and medications are among other causes of constipation and hemorrhoids.