The Aquatherm Heater Housing Kit is a complete replacement manifold kit engineered for use with Hydro-Quip’s CM4000 and HT500 series spa heaters. Designed to securely encase the heating element, this housing ensures reliable heat transfer and extends the life of your spa system. Its durable ABS plastic construction withstands high temperatures and harsh spa chemicals, making it a long-lasting solution for maintaining heating performance. With all necessary components included, this kit simplifies installation and helps restore proper function to your spa’s heating system.