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I have just had my liner replaced, inground 20x40 and all seemed well, then I went away for a couple of weeks. I suspect the filter may have struggled while away (filter on a timer) and last night the breaker tripped, possibly related to a big storm. However after a reset the pump seems much...

While I did get romex it is 12/3 so I’m not using the bare ground but the three insulated cores - does that make a difference? It’s runnning through flexible weatherproof conduit (devil of a job getting the cable through the conduit!). i think you’re saying to but some rolls of single core THWN...

Thanks Dan, all I could get today was 12/3, that was about the best in offer at Home Depot - are you saying that’s not suitable when according to the book it draws less than an amp? There are three terminals labeled L1, L2, G when used with 240, there is a jumper on the main board which...

It’s a brand new 400k BYU Propane H400FDP

Well, I'm a little perplexed. The switch for the pump has three wires coming in, two hot and another. The "other" is connected to the ground screw on the two pole switch and the ground screw on the one gang box. So I spliced off each on the switched side, two hot and one ground, ran these to...

It seems to be quite the task but my new heater is almost installed, it is plumbed in, propane connected, all I need is electrical. The manual seems very brief on this, as it is a propane heater my understanding is it takes (as delivered) 240/220, there are three connectors under the hatch, two...

The heater is still in its box on a pallet, I was going by some of the articles I have read. I think that in line with what you have I should return the Wion, get the Intermatic, wire as we have discussed and turn the heater on and off manually. I think i was focusing in running the heat daily...

Now I'm tempted to run both through an Intermatic and put the Wion between it and the heater... then I could run the pump on a timer and manually turn on the heat (only when the pump is running) from wherever. If I had the pump run for say 6-8 hours every morning I could flip the heat on (with...

While I hate to change direction I'm feeling it may make sense to return the Wion and get an Intermatic as it's more of a known quantity at this stage for my application. While I like the whole home automation thing I'm not sure it is really necessary for me at this time. Having said that I...

I appreciate all of the discussion and advice, it is very, very helpful. I agree we have settled on the most likely configuration, the only unknown is whether the Wion will be ok with two feeds of each hot output, I suspect it will be fine. If I was adding an electric heat pump I think it'd be a...

The picture in post 17 is key, it takes two 110v hot inputs and provides a matching pair of outputs, the problem is there's only one pair. I suspect I can run two outputs off NO1 and NO2 like this to get me the two feeds for the pump and the heater:

This article seems pretty useful How To Wire A Pool Pump - INYOPools.com There are two hot (110v) wires and a ground (no neutral), in my situation these are the two that run through my switch. The Hayward pump has two terminals used when configured for 230v L1 and L2 (for the two hot wires). I...

I think this diagram illustrates the issue, this is a 277vac feed input to the switch and two similar outputs when the switch is activated. The issue seems to be that in the US a "220v" supply is actually two 110v lines combined, hence why my switch has two inputs not one. Usually a switch...

I think the unit expects either 110 or 240 as a feed whereas here I have two 110 feeds that are combined to become my 220 supply, I think I have confirmed that from looking at how the current switch is wired. I think we agree that NC1 and NC2 are not used - they are just for "normally closed"...

I hear you :) First... based on advice here I looked in to the need for a fireman's switch, the heater is a Hayward and states it doesn't need one. Now to the wiring, I pulled off the current switch, it has red, green and blue coming in. Green is ground/earth, red and blue go to the two hot...

I think it's starting to make sense (to me). Looks like you have two separate purple load wires coming in and the ground, the purples are connected to L and N, the third purple is the feed going out from NO1. Jumpers L to COM2 (black) and N to COM1 (white) then the second feed (orange) going out...

Thank you so much for this, one question though, your purples confuse me a little, are you saying you have two 110v live feeds connected, one to L and one to N? I though N was for the neutral wire. Looking at your photo it looks as though you have two conduit connections, I assume one is the...

It seems what is missing is a ground screw on the switch/timer unit, I guess they just didn't include it in the "logical" wiring diagram but based on your links it seems there is one in the box.

That's a great diagram, thank you. I think I have it sorted out in my head, I like to think in terms of physical wires as well as the logical diagram - colors also help me! My diagram is attached, basically I need to run from the power switch to the Wion, once there the hot connects to L, COM2...

Regarding the Wion switch did you install it yourself? Mine should arrive today so I'm starting planning, the instructions online show configurations as shown below. As my pump is set up for 230v and I want to add the heater I'm assuming I need the configuration in the bottom right. What I need...

When I first searched Amazon I’d found this timer for $60 Intermatic T104 208-277-Volt DPST 24 Hour Mechanical Time Switch https://www.amazon.com/dp/B000BQOX88/ref=cm_sw_r_cp_tai_i_0ebfBbBGKEXE4 Articles I’ve read since link to this one Intermatic T104P201 DPST Time Switch In Plastic Enclosure...

I was reading about that one but was a little concerned about some of the mixed reviews, how has it worked for you? I’m certainly a big fan of home automation (Alexa, Nest, Wemo etc) but was a little put off, I was also debating whether I really need smart control - although as the price is very...

I’m about to have a heater installed, before doing so it seems it makes sense to add a timer for my pump and chain the heater off it. I looked at WiFi switches but there seems to be a lot of reliability questions and quite frankly I’m not sure I need to functionality. It seems Intermatic are...

$3,700 was to buy it, they wanted $400 to deliver it 4 miles away then installation on top of that. If that was "all in" then I'd snap it up in a heartbeat.

Thank you both, I appreciate the help. My current thinking is to buy the heater then find a plumber / pool guy to install, I've talked to my local pool places and their pricing for heaters is pretty outrageous, $3,700 vs. $2,100 based on a Hayward for example, again I'm open to advice but paying...

I think I'm settled on adding a propane heater to my pool, I expect to go with a 400,000 btu, pool is 20x40 in New England. I figure that as the various steps in getting it installed will fall in to place, I have a quote for propane, plumbing etc. I had initially looked at the Hayward but...