# Hot Water Control



## Getting started

The parts list for the controller:   
Digikey
1	255-2978-ND	AQA221VL	SSR RELAY SPST-NO 15A 75-250V	22.67  
1	1470-LCW25US05-ND	LCW25US05	AC/DC CONVERTER 5V 25W	12.04  
3	WM3700-ND	39012020	CONN RCPT HSG 2POS DUAL	0.248  
6	WM18518CT-ND	39000181	CONN SOCKET 18-24AWG CRIMP GOLD	0.573  
3	WM3800-ND	39281023	CONN HEADER VERT 2POS	0.578  
1	VOS618A-3X001TCT-ND	VOS618A-3X001T	OPTOISOLATOR 3.75KV TRANS 4-SSOP	0.66  

Parts that still need part numbers:  
1 Plastic box  
1 IEC C13 receptacle
1 NEMA 5-15 receptacle
1 sensor cable connector

[Flow Sensor](https://www.amazon.com/gp/product/B07QNN3R6G/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&th=1)  
[Adapters for Flow Sensor BSP:NPT](https://www.amazon.com/gp/product/B089D8NF7H/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&th=1)  
[Recirculating Pump](https://www.amazon.com/dp/B07D52LRWK?pd_rd_i=B07D52LRWK&pf_rd_p=0e085ce4-a814-4f4b-b24c-1b9dbfa919e0&pf_rd_r=WSDZ0WZ4NQNEJAG3AV5G&pd_rd_wg=ZFJG1&pd_rd_w=kgr92&pd_rd_r=930ae7a6-45a4-49ec-a7b8-49fbe531e289&th=1)  
[Check Valve (spring style)](https://www.amazon.com/American-Valve-G31SL-Lead-Check/dp/B00QGX9LV4/ref=sr_1_5?crid=2KD3MNWKJZHZU&keywords=check%2Bvalve&qid=1663951094&sprefix=check%2Bvalve%2Caps%2C135&sr=8-5&th=1)  
[Pump Controller](https://www.adafruit.com/product/2772)  
[MQTT monitor and control](https://www.adafruit.com/product/3010)